Since the Direct at the start of the month, Nintendo have attracted a lot of ire regarding the Switch 2. I’ve seen comments on either side of the fence when it comes to the base console pricing, with the price of games being where most people are drawing a line, on top of the C Button ultimately...
You can’t gift, sell, share, or play that game on a new device once the servers shut down.
And you couldn’t buy the game digitally either if that’s the case.
What you can do is continue playing your copy that you already have.