Musk, like Trump, is a narcist who loves to see himself in the news. Like a toddler deprived of parental love, he, like Trump, will frequently “act out” by saying outrageous things on social media to get any kind of attention from people.
Musk only cares about leaving his mark on the world, to gain immortality. He would prefer to be loved for eternity, but if he can’t, then being hated for eternity is an acceptable second prize. This is why he started off talking big about taking humanity to Mars, but now spouts right-wing hate.
Because the car didn’t recognize it as a red light, probably due to all the green lights that were facing a similar direction.
The issue is not the speed at which it took the turn, but that it cannot distinguish which traffic lights are for the lane the car is in.