TunnelRat, you must have been that one kid in my Ancient Philosophy 100-series class. Ya know, that guy.
The reason that I used revolutionary steps forward in firearms design in my argument is that they are clear steps, and are also recognizable by someone other than a firearms historian. The nuance of a percussion caps, tape primers, and disc primers is a better example, but lost on most. And would be, well, pedantic.
You don't have to agree with my semantic style, dude. Whenever someone adopts an anti-technological stance, I will call down some thunder on them, rhetorically. Detract or destroy, I don't particularly care. The same mind that questions the value of one technological advancement has within it the same seed of ignorant doubt that causes men to question much larger, more complex issues, be it climate change, the flatness of the earth, the veracity of the lunar landing, or... the public health benefit of vaccines.
A hammer may do the job 'just as well' in so far as they will ignite primers and send rounds down range, but I'll point out that the above listed arguments (ease of manufacture, simplicity of design, simplicity of firing pin acceleration, etc.) actually make strikers incrementally better than a hammer fired system, all things held equally.
I love my P229, and my HiPower, and I love to shoot a 1911 (like playing with someone else's children, I'm all too happy to give it back to them once I've had my fun), but there is absolutely no doubt in my mind that if I had to grab one handgun, it would be my Glock 19. In part because it is a striker fired system, and being so, much simpler, more robust, more reliable, easier to work on, etc. It is flatly superior to my Sig (though the SRT and match trigger I put in the Sig makes for a strong argument...).
People can and will choose whatever they desire.
In 2017, I'll repeat, the question should be (and is, if you are a larger manufacturer of firearms), 'why hammers?'