Even if you can afford to buy a home it isn't necessarily economical accounting in the opportunity cost of capital. This ofc varies across different times and situations regarding interest rates, regulation on mortgages in your jurisdiction, house prices and rent prices.
Pro tip: you can open the dishwasher at any time during the cycle. It's not a washing machine. There's not a lot of water in it, it'll just fall at the bottom of the dishwasher, and you can take whatever you need (or add things you forgot)
Why not ban gold as an investment too? It's just as much a zero sum game or gambling if you wanna call it that. Also a lot of resources wasted in storing it in bank vaults just sitting there for nothing.
You're just avoiding saying gold has value. Why are you avoiding saying that? Because then you have to make it clear that value is determined by people and people have deemed crypto valuable, especially Bitcoin. Your implied argument is, when explicit, more clearly vacuous.
Perhaps his point is that the minimum value of a physical entity like gold is greater than $0, but I see your point/criticism too. Essentially "define value" can lead to varied definitions?
There's a Lex Friedman podcast with the CEO of Coinbase. I don't remember exactly what all they talked about but at least there was stuff about wallet innovation.