We Are Organisms
and this is perpetuated as funny by the show How I met Your Mother, where barney lies to many many women in order to have sex with them.
Um... so? People make humour and comedy out of war, terrorism, murder, violence, suicide, genital mutilation (as it applies to men, mostly), and a whole big slew of other nasty things. And this is an issue only when rape is put into the mix?
Despite all that, the show doesn't perpetuate this as funny whatsoever. This article speaks about supposed rapists finding loopholes in laws that help their case. The show simply has a character that sleeps around with other women, and he does the most insane things in order to achieve this. Unless you consider sleeping around with women a rapist's attitude, which is ridiculous for reasons that should be obvious.