..... I might just quibble a bit about the definition of "hardship". People living in a more sharing but less opulent world might have a lower "standard of living", but a higher degree of satisfaction with their lives.
I agree with this but am not optimistic that it will happen, at least by choice. Sadly "We're all in this together" is not much more than a feel-good saying. Something akin to wartime austerity, frugality & solidarity is needed, at minimum.
Feeling cold? Don't turn up the heat: Put on a sweater. And gloves if necessary.