I do it all the time! (Not usually the disabled, partly conscience, partly cause they sometimes need a Radar key) but be warned some Costas require a pin number which you get on your receipt ???
I think I am so clever but I am sure they spot me every time with my vague” looking for a friend, is she through the back, meeting someone for coffee” look and then legging it!
Germany is so much more civilised, fair enough a 20 cent charge (or at least used to be, might have gone up) but restaurant loos open to all, usually manned (womanned?) with impeccable hygiene, flowers, even hand towels
Did you know that all railway stations are now free? No more turnstiles, rooting through the handbag for 30p or whatever in change? 