asked ai bullshit to make it tl;dr
TL;DR:
Humanity peaked as Ice Age raw-meat carnivores living by nature's law. Agriculture, civilization, laws, industry, and tech ruined us, making life unnatural, unhealthy, and enslaved.
He claims that he want that video to be forgotten, but he talks too much about it. He gets angry for the people who mention it.
What this could mean? Simple! He is secretly proud of himself for this video!
Like, this is the only reason he will be remembered here, so he is actually proud of it...