In theory I guess. But you’d need a ton of funding just to get the server power for that, and there’s no guarantee that users will switch over to your service. And if they start turning bad then they could start blocking that. Also the users are much more valuable than the data. There’s lots of ways this could fail to pan out. The Fediverse is much more flexible to new instances joining.
The network effect makes this extremely difficult, even with the source code, it’s basically starting from scratch again.
It’s not from scratch; every piece of old data is public. I’ve sent a link somewhere else here.
In theory I guess. But you’d need a ton of funding just to get the server power for that, and there’s no guarantee that users will switch over to your service. And if they start turning bad then they could start blocking that. Also the users are much more valuable than the data. There’s lots of ways this could fail to pan out. The Fediverse is much more flexible to new instances joining.