For me, I like speedball paintball and milsim airsoft. I dislike milsim paintball and speedball airsoft.
Very few of those markers look cool to me. The "almost a gun" look is gross to me, especially with incorrect proportions. Back in my paintball days, all the milsim markers just seemed incredibly bulky and unnecessary to me. They have definitely gotten better, but still not enough to really interest me.
To me, paintball is about the competition. Hence, speedball. Airsoft is about the experience. Hence, milsim.
Edit: also I can't fucking stand scope risers on guns, which are pretty much necessary in paintball
