There is a way around, that is to remove all his titles to the Nights watch (removing Nights Watch, Lordship of Wall, etc.) and then removing his black brother trait and moving in to your court. The problem with this is that Jon doesn't end up at war with Roose or with a strong claim to the North.
Despite what you may have heard about the last season, it is 1000% worth watching. No idea if the new one ties in at all, so you probably won't have to watch it, but if you like the first episode of House of Dragons, watch Thrones! I know many non book readers who loved the last season. Basically people who theorized for years were pissed about it
Game of thrones isn't a closed story, you're just closed minded, there are so many different ways you could make this game and it could be phenomenal. "Unless you're a powerful lord there would be little to no way to change the outcome". Tell that to gendry, the hound, the brotherhood without banners, the wildlings, varys, the red woman, tell
There is frequent explicit language (Fuck, Shit, Cunt, Bastard etc), frequently full nudity (everything from boobs to full frontal male & female alike), explicit sex scenes (An episode of Game of Thrones without at least one sex scene is uncommon), and very graphic violence. Game of Thrones is very much a mature, adult show.
MuAhUw.