I was watching a video, and the idea of co-ops came up in it. I was a partner in a company for a few years, and I must say, I'm better off not being a partner in a business. So, I recommend against co-ops because it's merely greed that gets people into such a situation running a business together, and they don't end up with what they want, and they should instead enjoy what they have while working for someone else.
Co-ops were popular in the 70s, as a way to deal with inflation. Wouldn't surprise me a bit if they came back. There used to be a grocery co-op near where I lived, prices weren't better, but quality was.