There's several problems with centralized web service corporations maintaining effectively public commons on for-profit "private property" and being regulated b

There's several problems with centralized web service corporations maintaining effectively public commons on for-profit "private property" and being regulated by one government or another: they can do anything they want if they don't offend the government structures, they're also at the behest and service of a particular government who can tell them what they can and can't do, they're not classified or regulated as utilities, and can censor any idea or push whatever agendas they like (or whoever pays them enough). Only a nonprofit out-of-reach of any particular governments' jurisdiction can remain neutral, but they also need minimal, clear, healthy, and conscientious moderation to not be springboards for harmful activities.