The root of the problem is that some people don't care to even take a second to assess traffic situations that are potentially dangerous.
Here is guy blinking his lights and letting me turn first. Then here comes a freaking whack job who jumps the traffic island because they cannot be bothered to slow down and wait. Had I just turned because someone was blinking at me and letting me go, it would have ended badly.
Skip to :35. I always leave context at the beginning of videos.