I think you didn’t watch the video. That was one guy with many supporting documents.
I watched the video of the whole public comment period. He was an outlier. It is absurd that such massive carnage would be occurring in the real world, and every Government on Earth would be conspiring to conceal it.
I have been down such rabbit holes many times with anti-vaccine people here and on Twitter. In fact it is common that conspiracy theorists obsessively accumulate such extensive compilations of “proof”, that don’t hold up upon investigation.