Obvious. He about unloaded the entire mag on him.
I don’t expect cops to do any differently than I, as a civilian would do, if someone points a gun at me.
I’ll stop shooting when the other shooter stops moving.
I’ll go one step further.
Never brandish anything remotely resembling a weapon at any uniformed LEO.
That automatically negates any support from me, as a citizen, for the dead idiot.
It gets a little dicier if the cop is “undercover”, but that situation does not apply here.