Yes, the model is still prevalent, but I'm arguing that's exactly the problem. Basing status and self-worth on sexual conquest makes no more sense than basing it on the number of slaves in one's retinue or the size of the pile of gold in one's treasury. It's a ridiculous and archaic way of thinking.
edit: I may have lost vouching privileges again, so to address blockmarker's dead comment below, unlike other animals, humans are sapient and capable of acting beyond the limits of mere instinct. The entire premise of human civilization, law and society is that abstractions beyond our animal nature are not only possible, but desirable.
Yes, it may be part of our biology for males to want to seek out multiple mates, but it should also be part of our biology, then, for males to murder the children of other males in order to maximize the spread of their own progeny and genetic lineage. And we should be marking our territory with our urine and solving all disputes with ritual violence rather than a system of laws.
We don't have to act like gorillas, we can be people if we choose.