Johnw1104 on 21 January 2018
I'd say it's far better in terms of quality, though not quite yet quantity. The key difference as someone who owned both is that I'm actually interested in owning multiplats for the Switch as they're generally close ports that play well rather than some poorly ported and/or built from the ground up lesser version of other games.
With some exceptions the ports I've played have already been better than those I experienced on the Wii. I imagine within a year or so quantity will also catch up.
