All the early adopters (Wright and his friends) have millions of them, and made a killing when mining released them ten per day divided by two people, but now they’re rare and only .001 are released per day, divided among thousands of people.
1. Computers have become more powerful
2. No guarantee of the value of any bitcoin ever
3. Anyone can simply buy slices of bitcoin - even today
4. People bought AAPL, MSFT, GOOG, etc early before IPOs or as compensation at prices unavailable to the public. Its life.
The only concern I see is when the reward is so small, that few want to make the effort to validate the blockchain...
But Im no expert on this.