Autism is one of many strawmen that the antivax movement throws out. You may have only become aware of this under Trump, but the antivaxers in my family are a flavor of anti-establishment Christian fundamentalists (quiverfull-aligned) that are absolutely political, and have been (I attest as a first-hand witness) for decades, long predating Trump's rise to power.

Their grandma just died of covid, and while part of me would hope that it would be a wakeup call, the kids are all home-schooled, so they've probably swallowed the narrative that nothing different could have been done; it was just her time to meet Jesus.

I hope they don't get chickenpox, personally. I hope they get some life experience that opens their eyes to how ignorant they are.

My point is this: If you have a vaccine its inherently non-political, its just a medical intervention. But when it becomes mandated now you introduce a process by which some people can decide for some other people what must be done. That is politics.