Yes of course we can survive even without bitcoins .The world was already there even without bitcoins.So my dear friend from where did you read that it is game over for bitcoins then i got to say that the information you read is utter nonsense and no such thing is going to happen you can see for yourself that the price of bitcoins are already improving may be as used like tom dick and harry coins may come up but it won't have value or worth like btc as btc already gain the trust of its users from past few years you will know if you a research based on it instead of going behind fake news.