[gaze]

absence of evidence is not evidence of absence

[onlyrealcuzzo]

There is no strong evidence to go on.

What are you arguing?

They have Autism until proven otherwise?

About 0.5% of people were diagnosed with Autism before 1990: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4113600/

If we're making assumptions, statistically, we'd probably want to assume the other way.