Idiots. All of them. ACAB sure, but the shitheads involved in the sideshow kill people as well. This crash happened when they predictably attempted to speed away.
I agree that everyone driving is an idiot at fault here, but it is on the police to make the better decision in this situation. They should not be giving chase in a vehicle under any circumstances. Police are not there to stop crime, they are there to investigate and seek justice ( by job description, I know they don't actually do that). They will even refuse to protect citizens from crime, but when the cop wants to have little fun and give chase them suddenly they think it's their job. They need to pick a side to stand on.
The officer has the vehicle description and license plate, they should investigate.