Uh, no. He specifically mentioned that running in the browser is why JS is so widely used, even though the language itself is worse than alternatives.

>The single redeeming feature of JS is that it's implemented in all current browsers. If it wasn't for that fact I doubt anyone would have cared much.

>Everything it can do another language can do better, except run in a browser

That's the exact opposite of dismissing a key aspect of Javascript's value, that's explicitly acknowledging it.