With any kind of investment, there is a certain level of reliance on future investors to keep up the price point.. but bitcoin has a lot of tangibles..
A ponzi scheme is different b/c it offers nothing in return and is a scam.. You really should KNOW better than making those kinds of vacuous accusations towards bitcoin without any real solid argument...
By employing the term "Ponzi" you are engaging in a disinformation campaign.. b/c it seems that you know better.
He didn't say bitcoin was a ponzi. He said if all that supports the price is people hoarding them, then in that moment it is functioning sort of as if it were a ponzi.