Is it just me

Or do you, when you see a custom gun, go "Oooo, very nice, but I'd swap that curved trigger out for a straight one."  Or what have you.  "That'd be perfect if the grips were smooth."  "Black instead of coyote."

I'd chance THAT because I want different function and THIS because I want different style.

Often your opinion on this and that changes over time, too.  As you learn and get better and as trainers influence you and as your tastes change.