Why do so few people wash their hands after using a public restroom?

[Mr. Bung]

The amount of times I've seen some dude just walk right out without washing his hands is staggering. Sometimes even after they've taken a shit.

 

[Niggernerd]

My dick cleaner than 99% of public surfaces

 

[Agent Abe Caprine]

To spread the good news of E.Coli.