If you are a male of a certain age, you might remember those cloth hand-drying towels in public men's rooms.
Hung from a wall mount in a loose spool, they could get so hideously grimy that one question had to be asked: If you are going to bother to wash your hands, why would you even consider touching that foul rag?
Even those laughably ineffective air-dryers were 100 times better. They didn't actually do much to dry your hands but at least you weren't apt to wind up on a CDC report.
Don't know if women's restrooms also had the cloth o' doom. Maybe they had paper towels. But if they did have the share-cloth, I suspect their communal towel looked less like it had been used during an oil change. Or worse.