alt Hacker NewsIIRC the current approach makes your switch dual boot the unmodified firmware and the custom firmware with online capabilities disabled, so you could still play online and avoid bans.
But I wouldn’t trust that with an expensive account-bound digital library.
I had a hacked switch 1 for many years and was never banned. I always played in airplane mode, and got a 2nd to play online with. After I reset the switch to gift to a friend, it was not banned. If you’re careful it will be fine, but I’m sure they’ve cranked up security on switch 2.