Well, for the casual user i agree, but wasn't that the case for a long time already? If you try shooting something that is quite far away or lightning conditions not optimal, a proper camera is still on a different level than any smartphone camera.
Absolutely, a real camera is on a different level.
Photography is so pervasive now, so much a part of everyday life. For the casual to low level enthusiast, carrying a "Pro" smartphone is good enough and more convenient.
Computational photography is also a thing.
The iPhones 11 are on the front page of DPReview, which is interesting.