it's funny, a lot of people complain about Sony restricting one PSN account to one card, but Nintendo has been doing that for ages (locking it to the system) with no login details to at least back shit up, and nobody cares.
Hypocrisy much?
My Console Library:
PS5, Switch, XSX
PS4, PS3, PS2, PS1, WiiU, Wii, GCN, N64 SNES, XBO, 360
3DS, DS, GBA, Vita, PSP, Android