Why is it that I almost see no one ever do

Deadlifts
Standing Shoulder Press
Squats.

the only guy besides me that does these excercises is a one hell of a hardcore powerlifter that comes to my gym.

I have been doing these since I first started lifting steel 3 years ago.

I have to say it wasn't till my second year that I started doing standing shoulder press but ever since then my shoulders really rounded out nice.



These are not people that just started working out either, whats the deal.