I am not disagreeing with you that inflamation is by far an underapreciated, denied or outright mendatiously misrepresented cause of disease. The finding here is narrow but significant. My brother is schizophrenic and an asthmatic, which caught my eye here.
There needs to me more research.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6027314/
https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(05)70323-8/fulltext
Btw, you might be interested to know that among the Amish the incidence of Autism is only 1-in-271.