"In short, federation distributes governance and cost, and can allow us to tackle challenges that we couldn’t overcome without it. The free software community needs to rally behind federation, because no one else will. For all of the reasons which make it worth doing, it is not rewarding for corporations. They would much rather build walled gardens and centralize, centralize, centralize — it’s more profitable!"
https://drewdevault.com/2020/09/20/The-potential-of-federation.html