Re: "if Jacob Blake had been white"
Diodesign
The officers who ultimately shot Jacob Blake were told by their dispatcher that there was an outstanding warrant for his arrest, though they were not told that it was for sexual assault. Thats why they immediately proceeded to an arrest, instead of "de-escalating" the situation.
And Blake's resisting arrest lead to a physical attempt to bring him into custody, and when that failed they unsuccessfully tased Blake, and after that he reached for the knife that he has admitted that he had in his possession. At that point, given he had a deadly weapon, and the failure of non-lethal methods to bring Blake into custody, he was going to get shot