It somehow became the bete noir of anti-vaxxers, tracing back to faked research in 1998. [0] In order for them to maximize the villainy of vaccines, they have to maximize the disablement of whatever group they claim are victims.
Why they act that way, why they need something to blame something on vaccines, and why autism happens to be the target... well, that's a much longer story that probably involves psychology papers.
