And hero rakes must certainly have an ability to love, or they're not heroes. I agree that rakes must certainly be womanizers. It's a female power fantasy. Certainly they have to be gorgeous. But I think there are other qualities important in a good rake.
Nobody wants a stupid man.
I think that's a vital characteristic, because otherwise a rake would quickly lose his shirt. Gambling was practically a social requirement. And wealth, of course. Poverty has never been socially attractive. I have to admit that not all rakes are the same, there are many different classes.