That sounds contrary to most liberal thought and practice.
Maybe that exclusivity thing applies somewhat in the cloisters of academe but in my observations I don’t notice that more intelligent men are any less horny than the rest of us. Besides, since all life is the result of a fortuitous combination of chemicals that somehow burst into life and the sole purpose of which is self-pertetuation why should exclusivity in sexual partners matter in the least? I would think that the more impregnation occurs the better. So maybe intelligence isn’t all it’s cracked up to be.