Actually, the author of the blog I linked mentions a few times that all non-industrial cultures were fermenting their grains before eating them, which is suppos

Actually, the author of the blog I linked mentions a few times that all non-industrial cultures were fermenting their grains before eating them, which is supposed to get rid of antinutrients such as lectins or phytic acid. But I did not go deep into the details of that. And no, paleo does not mean eating raw red meet - cooked is fine according to most sources I came across. Some indeed do eat raw, but I think it's the 'hardcore' minority.