That's bullshit, early miners and investors got rich with minimum effort (luck). And don't sell me "they took big risks". Nope, some invested a couple dollars then got rich 3 years later. People investing now is the ones taking huge risks.
Bitcoin is a cool technology but it's going nowhere since people like me (the 99%) think we are just serving another 1% elite (the big stakeholders). So everyone i've talked to said they might as well get paid in gov/army backed money rather than put it in some experiment that doesn't really change anything in your life.
Leave your money in a bank account and lose what, 2% purchasing power per year? Fine. Or put it into a high risk investment that yielded several hundred % the past years ... your choice really. If you are convinced that this experiment won't change anything in your life, than there is nothing to be sorry about, just keep your happy fiat!
Just don't come back here next year and cry to us because you missed the same boat twice ;-)
Edit:
To clarify, I'm not saying you will get rich quick with BTC, those days are probably long gone. Then again, last year I gave BTC maybe a 20% chance to survive, and now I'd say we are at least at 50%, so even if you invest now and only make 10%/year, you are already far, far better off than with traditional bank savings, don't you think?