As someone with a neutral outlook toward bitcoin (I own a little to be in the game, but not much, and if it all went to zero I'd find it amusing), this interview was almost completely unconvincing. There don't really seem to be any actual arguments put forward, just someone loudly saying that other people are stupid.
For example, he states that bitcoin uses too much electricity and simply dismisses the counter-argument that its use is more efficient than commonly portrayed. He states that bitcoin can't be used as a global payment system and again just dismissed so-called "layer two" solutions which attempt to address that. All he really has to say about smart contracts is that they aren't reversible.
He may very well be right, but I didn't find much to take away.