The price doesn’t define the success of bitcoin.
What on earth would define success? It's like nothing is ever enough for you people.
If you look at the bottom of [1], you'll see it's pretty hard to get just a "volume" metric as well.
It was meant as an electronic CURRENCY, something that you can use as a payment for every day items.
Currently it's similar to Tulip Mania[1].
People using it as a currency.
i.e. having some practical value.
It might be okay for domain specific uses but for general purpose currency use it's awful. If the world ran on Bitcoin as presently implemented we would enter a permanent depression.
(Too much inflation is also really bad, but Bitcoin definitely doesn't have that problem.)
I'm very bullish on the idea of cryptocurrencies and the technology of block chains, but I regard Bitcoin as kind of a proof of concept toy. It's version 0.1 alpha of something that might someday change the world.