Autism diagnosis rates started rising in the mid 1990s, right when the Back to Sleep campaign started.
*The claim "infants sleeping on their back does not cause autism" is not an evidence-based claim because studies have not ruled out the possibility that infants sleeping on their backs causes autism."(https://www.cdc.gov/vaccine-safety/about/autism.html - with two words replaced by me)
Would you all be ok if there was some other whole community of people making posts, recording videos and writing books about babies sleeping on their backs causing autism, eroding public perception of a practice that has saved thousands of lives? I know I wouldn't.
Then why are you ok with propagating dangerous made up claims about vaccines when there is a large, overall consensus of data showing no link between vaccines and autism vs the zero data showing no link between infant back sleeping and autism?