My favorite thing about bitcoin is that it's the only asset that can't be stolen, frozen, or destroyed by a government, thief, fraud, or natural disaster. It's like an overseas gold account, without the custodian, or the gold. Prefect doomsday material, unless the price collapses.
Since when you can't stole bitcoin? Couple of exchanges in the past got hacked and bitcoin have been stole in a process. Your personal wallet can also be hacked if hacker have access to your machine etc.
Bitcoins can't be 'destroyed' by the government now, but this state of things can change in the future when Government will have to take bitcoin more seriously and therefore regulate it.