The master of ceremonies was right, as in: acting disagreeable, pushy, socially superior, insulting, etc., and then directly propositioning someone for sex before paying for anything was effective in practice (at least twice) at getting women at a bar to agree to a one-night stand.

Edit: I read “the post”. Either the author has poor reading comprehension and largely failed to understand the content of the story (maybe Feynman can be blamed for not having written it in a clearer way), or she is being disingenuous.