but what about those people who don't use the tongs when putting their fresh rolls/doughnuts etc into a bag without using the tongs and they've touched the produce before selecting?
You can't stop people doing that, and personally I wish everyone wasn't quite so obsessed with germs. A few germs are healthy, we need exposure, not wrapped up in cotton wool. It doesn't bother me at all. You can't spend your life wondering whether someone's been picking their nose.
Those of you who are observant will realise I've posted on the wrong thread, I dug up one from 4 years ago, I said
...and I'd forgotten all about the piddle mint thread four years ago, JJ - see below! - I've still never even seen mints in the loo, let alone heard anyone else call free mints by that name.