Yep. I used to work retail and shared a staff toilet with all the other businesses in the building.
I was left, mouth agape, so many times by blokes taking a shit and not washing their hands. Then there were the ones who would notice they weren't alone in the bathroom and do a cursory "wash" of their hands for show which involved nothing more than a 1 second wetting of the hands, no soap.
These pigs would go straight back to work and serve customers with their filthy mitts. Gross.
That's how so many infections are spread. Truly neanderthal-worthy lack of intelligence. Oxygen wasters, these people.