An unusual (and worrying) part about this incident is how drones are being used, not with an explicit military goal in mind, but rather for the purpose of economic strangulation. Like terrorist operatives, drones are relatively cheap and expendible. But unlike terrorism, which seeks to grind away at the enemy's resolve, this kind of attack attempts to deprive an enemy of the money needed to fund its operations. Like…
And there is simple rationale to it. The power of people in power lays in hands of other powerful people serving them. And as a rule, the powerful people don't obey to ones they see as weak.
And this is more apparent in the regime states than anywhere else, when generals/ministers/big shot advisers and fixers risk far more than just their political entitlement if their patron is about to loose it out.