This is a repeat of GeertVandenBossche ideas (TSN has done them once before as posted here I think).
They are not stupid, but equally they are an outlier in the spectrum of opinion here.
Here is a pugnacious mainstream takedown of GBD's ideas
Here a less combative but similar view:
Now, everyone here may choose to believe the (very few) outlying voices on this topic. Or, they may think they know better than the people who have looked closely at this.
Personally, I think nothing is certain but that the mainstream view (which includes nothing is certain) is much more likely than weird antivaxer views that only 1% of people looking at this support.
Thomas through history it's always been outlying voices that have brought injustice to public view. It's why the term whistleblower was invented.