Meanwhile, I'm just over here, playing my hacked Switch that can play NES, SNES, N64, all of the different Game Boy games, Sega Genesis, Sega CD, Sega 32X, Game Gear, Master System (I have no idea why I would ever want to play the last two unless I wanted to play the OG Phantasy Star, but, the option is there), Turbografx, MSX, Arcade games, and, hopefully one day, and even more so soon, practical DC emulation on the Switch.
Your loss on not getting another Switch to take the ban. Or do you expect the Internet to always be reliable, let alone services that could close down at any time with little regard to your backlog of games you'd like to play?
The only benefit this might have is if Nintendo uses some wizardry to get GC emulation on the Switch and we can inject images into it like with the 3DS. But I sincerely doubt that will happen!
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In your roms folder for RetroArch.
Like I told a certain other individual on this forum, you're expecting a company to provide you a service for which they only make more money to support said service through subscriptions. What happens once the Switch 1 becomes irrelevant? You can't trust any company to provide the same service on one system as they did on the other.
If you want all of this stuff, I recommend jumping over to PC gaming. Otherwise, console gaming online services are the same as they have been ever since the Xbox 360!