They don't want others stealing their oil, but they're likely to lose it too if they don't transfer it somewhere safer (no pun intended), so it's definitely a strange situation with tons of politics involved.
This is what war is for.
And they're still around, so no, they haven't been bombed enough. Dead people don't hold ships hostage.
You really don't want the Americans and the Russians to ever agree that your atoms don't deserve to be bonded together anymore.