Are the Americans only just picking up on this? I seem to remember a restaurant in London did something similar in the late 80’s or early 90’s. Then again I remember a restaurant in Yorkshire which had paper tablecloths and crayons for you to doodle with whilst you waited for your food…!
“As a diner you pay what you think the food is worth, balanced by what you can afford. No-one is turned away – and can pay in kind – by doing dishes, weeding the garden etc. In most neighbourhoods it has been tried, this system is working.”