The fediverse can’t ban you but at some point I guarantee there will be instances that dominate with the amount of users. When that happens, if you are banned, you will essentially be banned from the communities that primarily exist on those instances.
Sure you could even create your own instance of lemmy but you will be talking to yourself.
I was just hoping they would integrate it into Proton Bridge for linux. Essentially exposing the volume and let linux users decide how they want to handle the syncing. It seems like that would be relatively easy to implement and most linux users are tech savvy enough to setup syncing for how they want it.