My evidence is based on only not knowing psychos.
Also, I don't care. I will wash my hand with tepid water after. I'm not planning to put it close or into the icy water of the toilet bowl.
Okay, I completely reject the idea that most people sit.
@Deus mobility problems? No. I'm with @A Link In Time , I don't want my hand near the toilet water.
Those statistics are clear bull****.