This, mostly - and yes, friendship bonds would be broken if you actually asked for a glass of water in some people's presense: https://www.npr.org/sections/thesalt/2014/02/05/271997854/ca...

All the while: "even inside the restaurant, some 84 percent of the water use happens in the kitchen and the bathroom"

It was like a cult. and this cult-like pattern gets applied to other things now, too.

The cult started with the Limits to Growth report (1972) which has been wrong on all counts yet it has been the basis for the ideology of all modern green parties.