Disclaimer, I'm speaking for men in their twenties, because I am familiar with the dating experiences of men in their twenties. I don't drink so I do have a blind spot as far as bar game goes.
Online dating advice circles are filled to the brim with people who have no idea what survivor bias is. "I found my partner this way, therefore anyone who isn't a smelly misogynist can too, and anyone who cannot must be a smelly misogynist"
Like it or not women are significantly more exclusive than men, I understand why, but that's not important. Any given mixed gender friend group most of the time will have more men. Women in this age group are twice as likely to be partnered up than men, again, I'