The bubble was inflated by users themselves. But what next? This will not lead to the death of bitcoin. Someone lost their money, someone earned. The balance in the network is maintained. Bitcoin is still attractive to people in the first place the opportunities it offers. Price this is the second time.
It was obvious this would be something to expect during the bubble phase we got into last year. As long as a real demand based on intrinsic value is not driving a market but just some level of speculation and manipulation, then it is a bubble. Bitcoin itself is not a bubble but it was bubbled and that bubble popped earlier and we are still in continuation of the burst of the bubble. It is hard to know how low this is going to get for now, but we have to wait and see.
I never accept that conclusion of "game over". We are still in the beginning of game of new history of human race. It will not end up in near future as it is evaluating itself to adopt the changes and advancements hence just a price drop will not write the last chapter of bitcoin's era.