The way I heard it it was Big Pharma and the CDC doing the lying. And also the "failure to investigate" due to so much money riding on it.
I wouldn't have revisited the issue (considering it 'debunked' per the MSM) except the whole Covid Vaccine Debacle really made me question what was really going on.
It isn't a pretty picture.
Doing "the actual science" is a small price to pay if we can reduce the rapidly increasing rate of autism.
Maybe Walz himself triggered this guy, based on the shooter's twitter handle. As we learned during the presidential campaign, Walz DOES know some school shooters personally, he mentioned that.