His entire reaction was the result of his embarrassment. He was surrounded by people who had seen the accident and he knew he had to do something. He couldn't stoop to an apology, so he had to be brash. It's the same as people with small vocabularies; they use a lot of cursing to get a point across because they know no other words.
Limited worlds, self imposed, probably.
And most of the time we can do nothing to bring about a change.
I hope you get rain, we really need some too. We are already in a severe drought. I hate to look at the weather maps, the ones that show rainfall. Our end of Kentucky is all covered in that deep red color. I don't even have to look at it to know, everything is wilted by mid morning, including me.