empirically turns out that all the best policy ideas which lead to the best outcomes are libertarian
What makes you think this is the case? I agree with your principle that you can make a welfare maximizing case for libertarianism, but surely a Conservative or Socialdemocrat could also argue for their preferred policy from a welfare maximizing perspective.
Calling the set of policies you happen to think are welfare maximizing Consequentarian, strikes me as very uncharitable to those with different views from your own.
What makes you think this is the case? I agree with your principle that you can make a welfare maximizing case for libertarianism, but surely a Conservative or Socialdemocrat could also argue for their preferred policy from a welfare maximizing perspective.
Calling the set of policies you happen to think are welfare maximizing Consequentarian, strikes me as very uncharitable to those with different views from your own.