While that may be true back in the day, there’s no need for this “evolutionary” trait now.

#1. We’ve evolved beyond being just animals. We’ve developed ethics and morals and higher order cognition and self control.

#2 in todays world a man impregnating multiple women is just irresponsible. People can barely afford a family with two kids let alone a harem and dozen kids. Unless you are filthy rich, it’s not evolutionarily feasible