I think it is predatory when the girl is way younger and the guy is just using the girl for sex. But the whole time he’s making it seem as if he wants more and he knows good and well he doesn’t. Now that I’m 24 I’m still not that experienced but older men cannot run that game on me now that I am wiser.I guess I can kinda see your point. For me, I have women of all ages that I'm talking to right now. The youngest being 24 and the oldest being 57.
But I do think it could be a lil weird for an older man who exclusively goes after young women. That seems a bit predatory.