It's been hard to argue against that, really; even on Nintendo Switch 2, you have to exchange arcane friend codes with people to add them to your friends list. When Nintendo announced that it was going all in on communal voice chat and other social features back in April,

GameShare is Nintendo’s term for the process by which you share games locally, either between two Switch 2 systems or with a Switch 2 as the host console streaming to an original Switch. “Sharing games” isn’t a particularly apt description, though, as it’s tied to multiplayer play only.