I think you need to give us the definition of PUA you are using, because you seem to be using one that excludes a lot of actions or strategies which one might think would be advantageous to a person who wants to get laid, and unethical persons who want to get laid seem highly likely to be a subgroup of people perusing and participating in a hypothetical discussion of PUA that tabooed all ethical criticism.
I think you need to give us the definition of PUA you are using, because you seem to be using one that excludes a lot of actions or strategies which one might think would be advantageous to a person who wants to get laid, and unethical persons who want to get laid seem highly likely to be a subgroup of people perusing and participating in a hypothetical discussion of PUA that tabooed all ethical criticism.