Other lessons: Don’t bring a skateboard to to gun fight. Especially if you know your opponent just shot your comrade.
While I’m happy the 17 year old survived the ordeal, his life will never be the same. I wonder if his parents knew how moto he was. I think he is looking at anything from a no bill/name change/move to Canada on the good side of things to LWOP on the bad side of things. Good luck, kid. You rushed in where angels fear to tread.
ETA: Also, why no mask? If everything had gone “well,” there is still the risk of Antifa doxxing you.