Even if it’s all the same as it was-constant seizures (and why wouldn’t it be), the truth is a 4 year old seizing 24/7, in diapers, perhaps very drugged, making no progress beyond infant level, becomes less cute and more obviously sad. Prop him onto a sitting position was easy to do a 18 months, at 4 it’s obviously propping. Remember, they were trying to pretend he was making progress and speaking, etc. That would become an obvious lie at this point.
Look at the Hartley girls. They “passed” when they were young but as they age they look less human. That may be the case with Jaxon.
Still, Gwen has managed to keep her followers with highly curated videos, I’m not sure why Jaxon’s parents couldn’t do the same. The same financial outpouring may not be there but still, her name could be public.
That said, I’m not sure how these kids deteriorate. If he’s drugged into lack of movement 24/7 maybe there is nothing to show.