Sincerly, I think we're putting too much importance on a title that just got announced for a Western release, before the January 12th event. We know there's an NDA going on, especially for major publishers, even when considering an exception like LEGO City Undercover...which actually hasn't been announced by WB yet, its only mention is the tweet from the LEGO account; for reference, LEGO World's announcement has been published by both LEGO and WB's Twitter accounts, plus a PR from WB themselves. So, I suppose it could "escape" the NDA by letting the announcement to a tweet from the LEGO company + the game's former Nintendo-only legacy.
However, even if it doesn't get a Switch version after January 12th (which is what John Hardin's tweets imply), we should remember that its Japanese release date is January 17th, well before March, when Switch comes out. It's certainly not such an important title that could have no problems at selling despite a two-months late release or (in general) there's no problem if some titles releasing quite earlier than the console's launch are not part of the Switch's launch lineup: there can be several reasons, between impossibility of developing a version for the new platform in time or not believing an additional, two-months late version would add so much sales.
