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.

Because not everyone has the same anecdotal experience as you?

Samsung and Sony have been able to waterproof phones with removeable batteries in the past. Don’t let Apple’s complaints fool you into thinking it can’t be done, it’s just an excuse for planned obsolescence.