I'm not so sure it's no longer viable as it is stagnant.
Looking at some of the major "features" - more emoticons and reactions in Messages... Siri.
Some were certainly nice - Apple Pay... but I don't really see PIP being used, or Continuity (which usually actually pisses me off, because I'll switch from my Mac to my phone with an image or similar on the Clipboard, and have to wait several seconds while Continuity syncs - shame, such potential).
Looking at some of the major "features" - more emoticons and reactions in Messages... Siri.
Some were certainly nice - Apple Pay... but I don't really see PIP being used, or Continuity (which usually actually pisses me off, because I'll switch from my Mac to my phone with an image or similar on the Clipboard, and have to wait several seconds while Continuity syncs - shame, such potential).