For the last part of the post about restricting Lemmy because lobbyists/investors don't like that it can't be controlled, things like that can actually be protected against happening with Net Neutrality. Which in the US they're trying to bring back finally https://www.fcc.gov/document/chairwoman-rosenworcel-proposes-restore-net-neutrality-rules
Likely wouldn't help with torrenting sites considering the first go-around with it had "Consumers deserve access to the lawful Internet content of their choice." as one of the big things which is a contradiction to what Net Neutrality stands for, but it's at least a step in the right direction.