The argument some are trying to make, taken to the extreme, would argue there is no purpose in training with your firearm or having familiarity with it because those things are not really central to the use of a firearm in deadly force.
Do I think the majority of what is done in shooting games translates over to self defense? No I don't. Do I think at least some of the skills in shooting games translate to self defense? Most certainly I do.
In regards to the timer issues? The timer is part of the games and likely plays too large a part in scoring for some segments. Do I think half a second is going to matter in MOST self defense scenarios? Nope. Probably not. You really should spend your limited training time honing other skills. Do I think it may matter in SOME? Yep - and if it does matter it is REALLY going to matter
In martial arts we had a group of students that would often go from point fighting to "controlled contact" where we realized the hits were going to be much harder and the risk of injury much higher. From time to time you would get a student who would be very good at point fighting who would come over to practice and his or her skills would suddenly devolve when hit. However MOST of the time the students who were really good at point fighting were also really good at "controlled contact" because the skills translated.
The skills from the gun games WILL help you in a self defense situation - at least some of the skills if the individual using them is able to carry them into the situation. Familiarity with a firearm, accuracy while moving, reloading, and speed are useful skills and the more these skills are part of muscle memory the more concentration an individual will be able to put into the mental side of surviving the conflict.
For the record I don't participate in gun games. That many people handing that many firearms that often puts me in situation I don't want to be in. "What can go wrong eventually will go wrong given a large enough sample" type concern. Still to deny that the skills, at least some of them, one is honing in those competitions could be useful in self defense seems to me to be an argument that locks face validity.
EDIT: make a list of skills needed to survive an armed encounter that required lethal force. While the skills honed in the gun games may not make the top of the list they cannot be entirely left off the list either.
I don't think people are taking to the extreme. I think I personally am trying to illustrate that there is a difference in approach and mindset when you are transitioning from competition style shooting to defensive style shooting. I am not saying that some of the skills do not translate. They do. Shooting on the move, trigger control, sight alignment, sight picture, engaging multiple targets etc.... What I am getting at is that the way you implement those skills in competition is artificial and maybe even counter to the way you should implement them in a defensive handgun situation.
I shot a class with a young Vermont State Trooper. He was an excellent shot. He loved to go fast. He was a competition guy. He was also a very accurate shot. He was one of the better students in the class. The trainer however used him as an example of how competition shooting and living by the timer can trip you up. The instructor set out 4 targets. He had the Trooper line up and shoot the 4 targets with 2 shot each just like he would do in competition. He told him to shoot as fast as he could. Kid shot them lights out fast. The instructor then told him to he had to shoot the same target but instead of 2 in each put 2 in the 1st 3 in the 2nd, 2 in the 3rd and 1 in the 4th. Same number of rounds with the same instructions. Shoot it as fast as you can. He still shot it fast but he put 4 in the 2nd target and 2 in the last because he when he is shooting fast he shoots in multiples of 2. Competition has created a training scar which may or may not help him in a real fight. His muscle memory and the need for speed over road his brain.
Watch the second video I posted today. No one on this board wants to get into gun fight with Rob L. but watch how his competition approach to the known mapped out problem he faces puts himself in harms way multiple times in his first run. The things that make him one of the best competition shooters in the world would have possibly gotten him killed if any of his cardboard attackers had been reasonably proficiency with a gun. Competition tells you to find a spot where you can engage multiple targets from one position saving you time. In a real fight this would get you killed. The second time he shoots is it is much smoother but he still makes mistakes.
Rob P never puts himself in a position that exposes himself to more than one attacker. He uses cover and engages one attacker at a time and addressing each threat as he is exposed to it before moving on to the next. Completely different approach.
I guess that is the crux of my thoughts on this. I see it so many times where people ask how do I get better at shooting a handgun? How do I improve my draw? How to I learn to shoot faster so I can defense myself and most of the time the answer is shoot matches. You can learn all of those things from shooting IDPA and if you are good at IDPA you will be good at defensive shooting. I think that this is some of the worst advice people can give. It puts a premium on speed. It gives someone the false impression that if they can stage and IDPA stage they can shoot from cover, shoot on the move in a way that will not get them killed in a "real" gunfight. I know people will disagree with me but I see so many people really obsessed with the timer because of the competition mindset and think it is a mistake. YMMV
The timer is a good tool to use to measure some skills and is great for development of certain things but our time or score will not matter if you life is on the line.