I watched the whole thing, which is too long. He gets a bit carried away at some points, but he doesn't seem to be factually wrong.
He makes a good point - cryptocurrencies are a transfer of money from late adopters to early adopters. That's implicit in anything where "line goes up" but there is no revenue, no dividends, it's zero sum, and there's no exit.
The NFT thing seems to be on the way out. The NFT industry is Axie Infinity, OpenSea, Bored Ape Yacht Club, and the little guys. Axie Infinity recently crashed hard. Their Smooth Love Potion token, the one players grind for, is down to $0.01246 (was around $0.35 at peak). Their other token, Axie, is down to about half the peak. OpenSea seems to be stalling out with limited liquidity - too many items with high prices but no bids. People are frantically issuing new NFTs every day, but the available sucker supply seems to have dried up. It's hard to tell, because wash sales to pump the price are so easy in the NFT space. This whole thing is starting to look like Pet Rock 2.0.
Bitcoin and Etherium don't look so good right now. Both are around half of peak.