Maybe there are some... In a mall or a supermarket I rarely see food workers without gloves. But these regulations are apparently not that strict to follow for this place :) Anyhow, big or small you are, it's obligatory to have a register to make reports for revenue inspection.

PS. And may I ask you something? Have you really expected hostility towards you because you're American? And if so, why? Will be grateful for the honest answer.