Nothing broke, they just noticed that any player regardless if bought or not could travel to Skyrim.
According to a post in "Maintenance Announcment" forum, apparently there was an issue discovered when they opened the megaservers after patch maintenance, and they locked the servers while they investigate. ETA as soon as they figure out the full scope.
Mind you, I don't know what that issue is, but to be entirely honest, I'm not surprised. I was kinda expecting this remote launch to have a few hiccups...more so than normal patch releases due to the fact this patch is the first to be remote launched as a result of our ongoing pandemic.
But on the bright side, I did see the new cinematic and ransacked the opening room of the new tutorial, so there's a start.