Why they picked something that has extremely compelling evidence to the contrary, rather than just saying "ultraprocessed foods" or older parenting age is beyond me. I don't see how this serves their agenda, and clearly isn't grounded in any facts
As an additional bonus, the diagnosis of autism becomes a moral fault of the parents, something to be avoided if possible, hidden if not. Another lever to use on people, like being gay was up to the 1980s, or having African American ancestry was until the 1970s.
Medical advice broadcast to the nation based on Trump’s feelings.
For another, directe enrichment isn't the only incentive for corruption. It also corrupts the giver, and having control over lots of small and medium people who are already corrupted is worth more than the up front cash value.
Edit: I was misremembering an ongoing lawsuit as having been resolved: https://www.nysd.uscourts.gov/MDL/22md3043