>If "AI ethics" means being run by so-called rationalists and Effective Altruists then it has nothing to do with ethics or doing anything for the benefit of all humanity.

Many would disagree.

If you want a for-profit AI enterprise whose conception of ethics is dumping resources into an endless game of whack-a-mole to ensure that your product cannot be used in any embarrassing way by racists on 4chan, then the market is already going to provide you with several options.