Almost 6$ for fish and chips plus a small drink doesn't seems a bad deal, definitely cheaper than anything at Mc Donald (and probably better than that crap)

I usually don't really interact more than necessary when I'm out, so the chances to meet and discover idiots are reduced, usually it's an easy catch, as soon as that person opens mouth to say something it's clear enough, or just a few stupid actions too... My ex doctor was an idiot, he wouldn't give the birth control pills cause he was catholic and didn't want to "kill" newborns, parents in the supermarket or restaurants leaving the little kids like zombies in front of a screen are idiots... And in general the first impression never get changed