The easier it gets to buy Bitcoin, and accept Bitcoin, the worse it will be. Even if you wanted to spend Bitcoin, you had to think ahead. Now Circle lets you buy within minutes (in most cases) of setting up your account. On the other side of things, Bitpay and Coinbase let merchants convert back to USD (or other currency) right away. So it's possible to do "just in time Bitcoin": Bitcoin is merely the payment protoco…
I think you are way overestimating Bitcoin's (current) significance. If something major happens to the USD -- i.e. something major happens to the US economy -- Bitcoin will be the last thing people think about, and there are quite a few other currencies (with much better track records) that people will prefer before betting their money on Bitcoin.
> It's entirely possible, as the protocol becomes more or more utilized, those days of risk and reward are well behind us.
If you have any evidence that Bitcoin is becoming more and more utilized, I'd love to hear. And I mean actual transactions, not services supporting the protocol (which could be publicity stunt, very cheap bets for something that just might take off one day, or simply wishful thinking).