That is not to be blamed on the cops. Let's try to be truthful.
In what world do you think it is OK for a 12-year-old boy riding an e-scooter to die after being chased by police? Before you respond: Ask yourself how you would react if it was your son (or close relative). Any parent would devasted.
Setting aside the question who is to be blamed, using motorcycles to pursue kids on bikes will cause the deaths of more kids. Is that a price worth paying? No.