But the sewage systems cannot cope with anything more than human waste or toilet paper. Paper napkins are not the same as loo roll and will block the pipes
PP said Christmas-themed kitchen roll AND loo roll. I presume it's the latter on which the snowmen meet their sticky end.
I think the problem with asking small cafes for free hot water is that, although it's 'just water', most of what you pay for - and what keeps them going - is the service. Their premises, staff costs, utility costs, supplies costs and other overheads (including the costs for PAT-testing their hot water boiling machines) all have to be paid for - and it's their customers who use their service who also pay this.
If you object to paying for something where the basic product cost is low, but it's the service and preparation that incur most of the costs, you're perfectly at liberty to save your money and not to use them. It's just that, not using them means....you don't use them.
The arcade ones, I don't really have a problem with as nobody nicks a 2p and takes it out of the premises, do they? It just goes straight back into the machines anyway, as you're paying for the entertainment value. The 2ps are actually legal tender, but in that scenario, they may just as well be little tin counters (which would probably actually cost them more to buy!). They make their money from the £1 coins and notes that you hand over at the booth or put in the change machines - the 2ps are just gaming tokens/collateral that 99.9% of people just feed back in.