I don't know about you Brian, but in the last 5 years in CO, I have seen more wounded game, and unretrieved carcasses than in the first 32 years I hunted here. I have shot game at yardages most should not, and with calibers that most would not, but I take my time and make sure my shot is perfect in those outlier cases.But the state with an elk harvest almost 2x higher than second place (Colorado) has a minimum of .243.
I think COs caliber restrictions are decent and relatively fair. I would not mind moving to .22 caliber, 65 grains and 3000 fps and up for Pronghorn, but it is not something I would lobby for. For Deer and Elk, I think the floor of .243Win is decent.