People are invested in bitcoin in many ways.
They see good reasons to stick with it and most of them are thinking long term.
Things crash from time to time, it doesnt mean they are dead.
And besides that profit isn't the main focus for most of the old dogs of bitcoin.
There are many reasons why people keep and still buying bitcoin. The first reason why they still buying bitcoin is it is good for long term investment which you can make good profit. On the other hand, bitcoin will help you to open more opportunities like opportunity to become rich so that it is also reason why they still buying bitcoin.