

Well, you can’t do anything meaningful at large scale without a company. Every large and popular open source project has a company behind and there are legal reasons behind it. If the Fediverse becomes big enough, there will be a point when a company will be required for it to function.
You need a company for legal protection. There are too many idiots in this world who will try their best to sue you for no reason. The bigger you grow, the higher the risk. That’s why we have the Mozilla Corp and Linux Foundation: a company will pay a fine in the worst case scenario, but a private person behind the project is looking at a jail time.