Then, no offense, but you might not understand the market very well. Achievements and friends are table stakes these days. Games are primarily a multiplayer experience with friends so platforms absolutely need those things before locking games as exclusives.
This would be like shipping an OS without internet access to end-users.
It likely depends on your friends or the games you play. I don't think my friends care to know that I am playing the Witcher, Cyberpunk, Battletech, Mechwarrior, or Jotun. Friends might care to know that I'm online, and be able to message me, but to be honest Discord or other social networks (Steam, Blizzard) already cover that. I've actually been quite happy with GOG's interface, for example.
Hmm, maybe achievements aren't as popular as I once believed, but I do think there's unnecessary friction to joining a friend's game with Epic's half baked model. It's one of those things that nobody notices until it's missing.
I'm not saying you need a full social network on every platform, either.
An OS doesn't ship with internet access. You may get internet as a separate service later and connect it to your computer which has an OS.
I'm not sure you understand the market. If saving to the cloud is a must have feature your game will provide it. Ditto for multiplayer. No one is refusing to play a game because the platform you purchased the game on doesn't have an easy help button.
This would be like shipping an OS without internet access to end-users.