I think new hardware is coming out a year after Smash anyways ¯\_(ツ)_/¯ so no need to worry. Switch 2 will have your new Mario and Zelda games.Hardly gonna be a Switch 2. If they make exclusives on the new system then that would be a horrible punch in the face and people would not be happy.
If you hadn't noticed, this is Forum 2.0