Another anecdote, but I was on my way back from Rayong on Sukhumvit the other day when a black Triton was attempting to overtake me. He was driving erratically and dangerously behind. I kept my pace just in front of him. Having a much faster vehicle I could have easily sped off, but we were already doing 110kph. We came to a red light, and I slowed down and stopped, at the front of the queue in the middle lane. The Triton overtook on my right side, blasting through the red light and almost wiping out a motorcycle turning right. The bike rider certainly would have been killed.
Beating or passing me was the most important consideration, not driving safely or stopping on the red light.
This is the issue of cultural arrogance.
Until this attitude is forced out of them, and severe punishments such as jail sentences vehicle confiscations are meted out, there will be no change.