Is it year of the butt cracks?

I swear i have seen more butt cracks then i would like.How do women walk around with their behinds out. It is soooo disgusting. how do u not feel that gust of air on your backside. I would really like to tap some of them and say " ummm do you know your crack is showing?" lol.
Low rise jeans went out a couple of years ago and even when they were in i HATED IT!!! please ladies. i beg you, cover up your crack. Please and thank you!