That's probably because you haven't been around very long. This is the 4th time the Bitcoin bubble has burst and the experts declared it dead. Each time it has come back bigger and stronger in the next bull run. I'm backing it to do the same again this time. I'm not making any estimates as to when that will happen but I'm very confident it will.

2011 bubble:


2013 bubble(1):


2013 bubble(2):


2017/8 bubble: