Bitcoin has been through at least 3-4 major "run ups" already. Those who do not look at the log chart think that "this time it's different" and Bitcoin will surely die for good. Later it'll crash from $250K to $50K and then it will certainly be the end.
2011: $1->$30->$3.
2012: $5->$15->$10.
2013: $10->$270->$80.
2013-14: $100->$1100->$250.
2016-2018: $500->$20000->$6000 (so far).