Will computers replace EDM and elevator music? I don't know, maybe, who cares?
It seems like the formula for an acceptable song is well understood. With the necessary push provided by Spotify these songs get streams in the millions easily. Perhaps it's cheap enough to have this music produced that they don't even have to move on to machine generation.
You can't generalise to pop in general, because being a pop headliner is as much about glamour, lifestyle, fashion, and branding as it is about music.
No one wants an imaginary Bowie album, because it's a glamour-free proposition - a curiosity at best, most likely irrelevant.
People have been trying to make an Idoru for decades for now, and they always fail. You can only sell fantasy and identification when they're implicit. When you try to attach them to an artificial marketing concept it becomes impossible to suspend disbelief and make the fantasy stick.
They're all going mad for an imaginary Abba concert
edit: I'm imagining what they would say. I'm not here to offend Bowie fans.
until it's new again, because young people of today are going to become old too and their kids are going to think tik tok hits are old, but will remember when their grandparents took them for a walk in the park listening to David Bowie.