Everyone knows he liked women, that has never been the issue unless you are one of those who think everyone who isn't monogamous and/or virgins until they get married... A pervert would be someone who employs more buttplugs than there are butts, not someone who just likes sex.
The issue here is that considering the Euro Debt Crisis and how much of a change in direction his resignation would herald, we're talking about half a trillion dollars worth of Greek debt that will end up being restructured... In addition the domino-effect it will have.
So this could very well be a setup, where they aimed at his virility. Or someone who realized how much money they could sue for, after getting paid for giving a blowjob. Or the guy might have gotten a bit too excited going beyond what she was willing to do. Or it might have been a real attempted rape as claimed.