PUAs have drawing selectively from pickup knowledge for years: using what they like, and throwing away what they don't. I see no reason why non-PUAs shouldn't do the same.
Well, I see a reason. After you modify someone else's advice, you ought to test it to see if it still works. If you didn't test your modified version, you shouldn't publish it. What would you think about advice for entrepreneurs that was tweaked and republished by a salaried programmer?
Clarisse has been consulting with me and other people with pickup background. I don't completely agree with all her conclusions, but she isn't just cherry-picking pickup knowledge to keep and throw away completely haphazardly.
Clarisse Thorn recently posted a useful article about Ethical Pick-Up Artistry, bringing up a few basic critiques of traditional PUA and suggesting a few alternatives.
A proposal to formalize thisNot the same thing, but a discussion on forming a community to practice social artistry in general has been brought up on LW before, but I'm not personally aware of anything coming out of that.