The only reasons I can think of is to get chics and at bodybuiling comps you don't have to lift a feather - it's only about how you look. Not my cup of tea.
This is one thing that bugged me about the other forum I used to be active at. Form also went out the window.
My Favorite Part Of Lifting Is Having The Opportunity
Meet PR's: (May 2014) Raw Natural
Squat 475 lbs
Bench: 286 lbs
Deadlift: 501 lbs
Total: 1262 lbs
Squat: 495 lbs
Bench: 300 lbs
Deadlift: 520 lbs/500X5
Total: 1315 Lbs