Why is the world becoming so revolving around sex?

Im not an old man ranting about how the world has changed, Im a 15 yr old guy. Ive noticed the world is revolving too much around sex. A lot of good stuff is represented as sex. For example a lot of comercials. And what is with Disney's sexual subliminal messages? And now, there are more double sided jokes in children shows. And nowadays most people watch porn too... and some of those people you can TELL their world revolves around sex. But what really made me ask this question is seeing a HUGE, FULL-PAGE AD on the FLASH part of the MAIN newspaper (movies, hollywood, basically everyone reads it. I found this ad while looking for the movie theater showtimes) about a product to INCREASE PENIS SIZE. WTF? Who puts that ad there? That should be in some magazine about that or in a porn site or something, but where basically EVERYONE reads? There is no excuse that that is wrong.