I didn't click the link, but sounds like it's just a crazy person. And it's not true that Yehuborim don't eat meat, they only push veganism so they don't have to provide meat for the millions of people while they personally eat all the meat they want. Like the middle ages, meat for the kings and bread for the slaves. I even heard of a Yehubor who the only thing he ate is raw meat. Not even any vegetables. He said it would make him very sick if he even cooked it, so he just ate all different kinds of raw meat. Like even some of it was fermented or maybe even moldy, he said this was different kinds of nutrients.