The volatility you're talking about is when you price bitcoins in fiat money in which the supply is constantly expanding (fiat), we are forced to use centrally controlled fiat money because that is what our masters demand we pay our taxes in, if we had a system of free banking who would use a currency that was centrally controlled by government? Everybody would be using things like gold, silver and bitcoins because they provide many more advantages as currency one of them being a reliable store of value.
What's the point, if a price in BTC of the same service or good change in a minute to minute rate? I could sell my house in the morning and not be able to buy the same house (or a similar one) in the afternoon of the same day.
The fact is the total majority of individuals and businesses wouldn't be selling for Bitcoins at any significant level, given this kind of volatility. Actually, why would they if they could just price their merchandise in dollars and forget about volatility? This has been proven so many times that it's not even worth discussing in serious...