That picture with the sign in English looks like it could be anywhere in the western world, rather than Thailand. Well, with the grammar issue maybe it could be anywhere in the western world in a small town off the beaten path :)
I never thought about someone touching my food to arrange it. And chefs don't typically wear gloves, do they? Dang it, now that seed has been planted in my head...
yes, watch a cooking show. The places with extra care put into presentation put their hands all over your grub. I am sure in fancy places they have very high hygiene systems, but everyone rubs their nose from time to time. yuck.