I also think rioters may have learned a few things after the last riots. Their part of town didn't look too good afterward.
They did. That's why a high school sophomore formed the Crips. He witnessed first hand the futility of burning your own neighborhood or directly confronting authority ala the BPP.
Young Mr. Washington's vision was two years later altered by hoodlums like Williams, as they rose through the ranks, but still, his organization grew to be the most powerful, predominantly black institution in US history.