The article points out a 2024 Swedish study that indicates a rising correlation between autism and pregnancy use of acetaminophen except that sibling data then completely invalidates the correlation with acetaminophen use.

The reality is likely complex of many minor factors frequently encountered over a long period of time, no smoking gun. Genetics is also a factor with some people being overwhelmingly more likely to encounter autism than others and some forms of autism are 80%+ inheritable.