You may be the only one. I shoot several hundred rounds a week out of my Glock 34 and have never even thought about the trigger safety, much less felt pain.
I did wear a blister on the downside of my trigger finger when I IDPA classified for revolver with my Colt King Cobra. Never had that happen with my Smiths.
I still love em all!
BTW, I brought a new (to me) baby home from the gun show this weekend, a S&W Mdl 19-3, .357 Combat Masterpiece. Pinned and Recessed with target hammer and trigger.
Woohoo!
The 40SW Glocks tend to impart a lot of "sharp" recoil through the frame, most shooters notice a difference. The 9mm/45 Glocks are less sharp, more of a "push".
The recoil impulse from the 40SW seems to be somewhat more abrupt, and can be felt through the trigger. You stop noticing it after awhile though.