In what way does the PUA paradigm prevent people from opening up and being vulnerable?
You may have the causality backwards. PUA is a tool for creating short-term sexual attraction, and the men most invested in improving this tool will be men geared more toward short-term relationships than the average person. Rather than PUA causing men to lose out on the joy of long-term relationships, it may simply be that the community is disproportionately populated by men who's thinking was already firmly oriented toward short-term flings.
In what way does the PUA paradigm prevent people from opening up and being vulnerable?
Basically people close down if you tell them to force themselves to approach strangers in relatively hostile enviroments. That what the resident person I know who wrote a book on comfort zone expansion and who run a weekly meetup on comfort zone expansion has to say on the topic.
PUA trains man to consistently reflect on whether their behavior is attractive and then change their behavior based on that reflection. Commonly that means that a man thinks he isn't supposed...
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