Smartphones will kill off the DSLR within three years says Sony
techradar.com
techradar.com
So I’m curious why his would be true given the above situation already exists.
The tech reasons cited don't make sense, because any of those advancements could be applied to stand-alone cameras for even greater impact. Well, with one exception: "AI" fakery, which involves computing power that cameras will probably not be imbued with.