If your trying to sell touchless soap dispensers you need to create concern...dammit!
It's all part of the scare tactic to get you to BUY BUY BUY
It's the friction and the water rinsing that gets rid of most of the germs anyway.
Man, I see the pic, I have to answer the question. Especially when I have the Fistful of Dollars theme ringing in my ears.
Well, I often find myself worrying about the same issue. Nobody understands, they all laugh.