To be honest I also didn't believe it.
To my mind there are a few reasons though:
The price is just as high as 3 months ago and there was a crazy and inproportional run. This run was boosted by many people who didn't/do not believe in the technology or understand it but wanted to make fast money.
Of course they left again (with losses)!
Euphoria and collective/group thinking is just a problem we also can get infected with.
At least this articles remain true:
https://steemit.com/trading/@mathsinnature/recipe-for-trading-success-2
As I wrote here: there will always be second chance! But I was surprised though that it is possible to buy in BTC cheaply again (below 9 000)...https://steemit.com/trading/@mathsinnature/recipe-for-trading-success-3