This dude was selling access to ROMs of brand new Switch games. This has absolutely nothing to do with preserving old games.
https://kotaku.com/nintendo-suing-another-rom-site-into-oblivion-1838053622
Here is a screen shot of the site from 2019.
Switch Code: SW-7377-9189-3397 -- Nintendo Network ID: theRepublic -- Steam ID: theRepublic
Now Playing
Switch - Super Mario Maker 2 (2019)
Switch - The Legend of Zelda: Link's Awakening (2019)
Switch - Bastion (2011/2018)
Switch - Mario Kart 8 Deluxe (2014/2017)
3DS - Star Fox 64 3D (2011)
Wii U - Darksiders: Warmastered Edition (2010/2017)
Mobile - The Simpson's Tapped Out and Yugioh Duel Links