The more mainstream investors come on, the more people will have a stake in BitCoin, the less single individuals can influence or manipulate the price, the more points of failure there are, the more stable it will be.
I have a fidelity IRA with risk spread across very risk-averse mutual funds with dependable year after year growth. For me, this will just be one more thing I can add to my already fairly stable IRA, shielded from taxes, which is great...
972 people control half of all bitcoins, right now.
What makes you think things will get better?
source: http://www.businessinsider.com/927-people-own-half-of-the-bi...
How many people do you think are spending their coins vs how many are holding them hoping they will be worth more?
In my opinion the word "currency" is about as stupid as that thing in your pocket people still keep calling a "phone". It's best approximated legacy words we have to express ideas about something which it doesn't entirely fit. More interesting, for me, is a comment I read on HN a few days back where someone said "I could be carrying a million dollars on this thumb drive and no one would even know.", a distributed ledger, the script language in the bitcoin protocol, etc. these things transcend the word "currency" as we ordinarily use it.
As with life.