I’ve had more than one experience where you go to use a hand operated and it’s empty. Then you wonder who touched that thing before you and what did you pick up

I’ve had more than one experience where you go to use a hand operated and it’s empty. Then you wonder who touched that thing before you and what did you pick up. I despise the hand operated ones now. Same with mechanical faucets in a public bathroom. I don’t want to turn it off once my hands are clean...