Are... are you actually complaining that how you just found out that game that LITERALLY markets itself as a MMO (Massively Multiplayer Online) can't be played singleplayer & offline? Don't you think that's a bit of a boneheaded complaint? (I know actual pokemon games are singleplayer based, but...
Actually there is a custom build of Nintendont someone made that (mostly) fixes the drift issue with those controllers. (I'm too new to post links so put this in front of the standard github url)
/FIX94/Nintendont/issues/625#issuecomment-465548819