[forward1]

Unfortunately the Steam client is simply abysmal offline. Even basic functionality such as caching game title thumbnails and viewing screenshots appears to be nerfed on purpose. You can't view your own achivements. Some games simply won't launch on the Deck offline. Now I will always try to buy a game on GOG first if it's available to avoid this sort of DRM.

[literalAardvark]

So your plan is to stop using a client that is abysmal offline in order to avoid a problem that's only "better" on the other client because it doesn't implement it at all ?

[forward1]

Yes, on principle, against user-hostile software development practices.