We found the initial setup of the PlayStation 4 to be a relatively painless process ... you can opt for a "guest" account. This will let you sign into your own PSN account, but not have to ...

Select the account, then Sign Out ... and Diablo 4 work a treat. That’s everything you need to know about how to set up a PlayStation Portal and begin streaming your PS5 games to it.

A PlayStation account will "become optional" for Marvel's Spider-Man 2, God of War Ragnarok, The Last of Us Part II ...