It’s an odd comparison, if the Steam Deck had Pokémon, Zelda and Mario etc., then there’d be a reason to compare them like for like.

Under US jurisdiction which at the moment is uncertain grounds. It’s better than Google by far, but not a solution to be settled on in the long term.

Unfortunately Ente is American so still has similar issues

What free healthcare? It’s Murica…

Been using Qwant for a while now, happy with it.

Proton or Tuta should suit your needs for email and calendar. Native apps are decent too.