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Boeing says it can’t make money with fixed-price contracts
(arstechnica.com)
This is a most excellent place for technology news and articles.
Google Mondragon corporation and you can see a co op scaling up over history. You dont have to imagine, it's already happened and you can read about it.
Edit: and here's all their industrial co-ops under the one large Mondragon co-op. https://www.mondragon-corporation.com/en/we-do#negocioIndustria