Did you include all the top Xbox 360 games as Xbox One games? Look at 90+ metacritic games on Switch by Nintendo. Only 3. Mario Odyssey (great!) and Animal Crossing (for those people that like that, I guess), and what feels like a deluxe port of Wii U's Smash Brothers. That's it. Every other game is a port from other systems.
No new Zelda, Donkey Kong, Metroid, or Mario Kart has been made for the system. We've had Xenoblade 2, Fire Emblem, Luigi's Mansion, Splatoon 2, and other <90 games.
If we were to include the number of PS4 exclusive games rated 90+ you would only get 6 and the PS4 had a whole lifetime so far while the Switch is only half way through.
Plus even if the games are older they're still high quality experiences with tons of replay that many people didn't get to experience on Switch since they were trapped on Wii U and the fact that the option to play these huge backlog of games on one system is great no matter what way you look at it. Even if you use backwards combability on other console as an argument that these Switch's game library of ports shouldn't be praised more than backwards compatibility on other consoles cause they're older games, the Switch alone has the same amount of 90+ Metascores as the Wii U and Wii combine and completely kills the 2 systems combined when it comes to the shear amount of games with 80+ Metascores.
So if you want to shit on the Switch for using Wii U ports to fill up its library, you might as well shit on every other Nintendo system for far less 80+ Metascore games EVEN WHEN you include the backward compatibility features of the Wii and Wii U and the Switch is only halfway through its lifecycle. Plus these ports have added value with additional content and being able to play console games on the go for the first time portably.
And like I said, your attempt to resort to the "true exclusive" 90+ argument to show that there are barely any exclusive high quality experiences on the Switch is illogical since most other consoles can't even pass 10 games under that criteria and the Switch is only halfway through its lifecycle with close to the amount of PS4 games under that criteria.