i don't know why but observing a couple couldn't possibly mean the entire population is alike. I mean thousands of drunken husbands beat up their wifes doesn't mean the entire western population is like that. I mean not all men don't force us to wear abaya...many r infact forced not to wear!
as for the next part -maybe men don't have to cover coz they don't have to wear swim suit while swimmin but ladies do (except topless beaches ofcourse)!

Pay peanuts & you get Monkeys