> I mean, did we reach some checkpoint here where reality is blurred with fiction?

Yes, the first interactive synthetic pop culture icon is probably the Vocaloid Hakune Mitsu, circa 2007, and she has lots of fans who know exactly who and what she is. I am not surprised Meta wants in on the "influencer" action with synthetic personas: no commissions to be paid, they can create a persona for every possible niche for a marginal cost.

The technology is not there yet, we've barely progressed from Tay in terms of corporates' ability to prevent their AIs from saying things that cause bad PR. AI is definitely coming for influencers, the economics are just too good