There seems to be a relationship here, as shown in this paper, https://pmc.ncbi.nlm.nih.gov/articles/PMC5837358/

I am skeptical of the idea that a CS itself produces any conditions for ASD. But it would make sense that those who would have otherwise died during child birth and survive are now likely to change present health demographics.

Honestly, a lot of autistic people are doing well in life, and in fact many are doing better than their neurotypical peers. Autistic traits need to be understood better because they provide better understanding of human cognition and its functionality.