first picture... well i can actually understand it. maybe the turn is a blind curve, and they don't want people cutting into oncoming traffic so they
can turn faster.
the second... well, the only thing wrong with that is i don't own one!
the third... nothing wrong again. doesn't everyone want great tits? i know i wish my manboobs were a bit more perky!
the fourth... that one is wrong. kind of like this: