None of his arguments against paper wallets scare me. He basically says you have to trust a hardware wallet.
It's a hell of a lot more complicated to create and use a paper wallet on a proper air gapped system though, but once in a while I swing on a dedicated laptop for it.

Let's counter his arguments: how often has a paper wallet leaked millions of customer addresses? I've seen countless people enter their mnemonic seed into a phishing website. I've seen even more people lose their funds because they left them on an exchange. Paper wallets aren't perfect, but they serve a purpose.
I've used paper wallets as a very easy giveaway, and some of the receivers still hodl it. The total value at the time was less than the price of a hardware wallet, which makes a paper wallet the best solution in that case.