Why do women get free admission into clubs and bars, but men have to pay a cover?

Isn't it sexist? Eaither way, its either saying that women are too weak to pay for themselves or that men aren't as good as women and have to pay
Updates
+1 y
So it is sexist, because the owners of bars are men. LGBT bars and clubs charge equally and. are always busy, and usually have tons of straight people too
Updates
+1 y
So basicall, the entire bar/club industry depends on this marketing tactic? So if we made it equal less people would go to bars and people would have to meet in everyday life? People would have to find real dates and not get drunk every weekend?
Why do women get free admission into clubs and bars, but men have to pay a cover?
Post Opinion