There's an interesting video I watched recently on how "manipulative reproductive suppression" may be an evolutionary tactic to ensure the success of one's own

There's an interesting video I watched recently on how "manipulative reproductive suppression" may be an evolutionary tactic to ensure the success of one's own offspring at the expense of everyone else's. If true it's probably relevant to this question if not the only factor. https://youtu.be/dPyD53BTEUY?si=8RRJtA40dS8jpSsp https://youtu.be/dPyD53BTEUY?si=8RRJtA40dS8jpSsp