Hm. The ones who throw money at girls for a good time and then don't marry them sure are and we know how common that is.
The whole point of dating is getting to know a person, a girl is to blame as well if she keeps throwing herself at this type a guy. And yes - there are red flags pretty early on which can tell you what this guy is in for. But mabey if girls stopped being so desperate and/or thinking they can change the guy... they wouldn't put themselves in a situation with these "sleazebags". There are definitely good guys out there that take a girl out and treat her with the respect they deserve. They "throw a lot of money" at her ..because they are classy guys who are genuinely trying to find someone. These are the guys that value getting to know the girl and the issue of "having fun" is not even ever brought up ....
It's a different story about whether you click with the guy or not and there is a second or third date or whatever. But they do exist. Girl's have to be smarter about picking 'em and weeding out the sketchballs.