I understood the point he was aiming at. My quibble was with how he was making it. He demonstrates elsewhere at least some sensitivity to the difference between

I understood the point he was aiming at. My quibble was with how he was making it. He demonstrates elsewhere at least some sensitivity to the difference between making money doing X as a value and just doing X as the value. Here, though, he very nearly says that, by revealed preference, if you're not monetizing your activity you don't actually care about it.