It's TAUTOLOGICAL.
I think you are talking past one another. He's saying that he does not think that their valuation is merited. You are saying that his assertion makes no sense because valuation is, by it's nature, defined by the current trading price.
You are I think technically correct, but the market isn't always perfect in judging the value of something, and I think he is saying that this is one of those cases.
"The whole section "Minority investment evaluations aren’t real" is so economically bizarre and incorrect that I don't even know where to start."
I don't think that's so bizarre to say. If there is huge demand for something and only a very very limited supply, then doesn't it stand to reason that price will go up more than it would have otherwise if there was more supply?