I think his art is actually not the paintings, but the performance around creating this world where such spontaneous interactions repeatedly happen.
It's all fake, but people are captivated by the story and suspend their disbelief.
Plenty of creators like him and I think his career will be a short one, but for now he gets to be the world's most famous bullshit storyteller.
It's accidentally a profound statement on how visual arts are seen by the general public.