[sjsdaiuasgdia]

It seems rather reductive to equate lack of explicit necessity with consumerism.

If I sing a song to myself, is that consumerism?

If someone else hears my singing and enjoys it, with no discussion of payment or exchange from either side, is that consumerism?

[HKH2]

You're right. Folk work is exempt. (It is so dwarfed by the rest that I simply forgot it.)