Why do guys seem like they get the rougher end of the deal in dating and flirting?

A lot of the time on Facebook, ladies will post that they are single and want guys to feel free to hit them up, however most of the time if they do it ends up backfiring still, and they complain there's no good men left. I mean, what's the point anymore? Has dating come to that point?
Why do guys seem like they get the rougher end of the deal in dating and flirting?
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