The smartest people in the room are doing precisely that. Although in 10 years you won't need to sell it, you'll just use it.

As for the rest, it's fear, mostly. Also, food and rent can't be paid in bitcoin yet.
[/quote]Well it looks like he is saying that the price would be much greater but it would be due to inflation, so the overall purchasing power would be the same/less changed.

I think that people also understand that there is some non-zero chance that bitcoin will not succeed and take those chances into consideration when they go to sell their bitcoin.