Bananagate - oh my!
Seriously, though - I do not believe these iPhoners are using their front pockets. Nobody except me does that. Fact.
I use my front pocket for phones. Trying to get other people to follow suit (e.g. when they've cracked their phone screen (again)) is IMPOSSIBLE.
If they are using their front pockets, someone sitting on their lap is going to apply enough force to bend the 6+