Behoove, I am counting on you to give a good detailed answers. I certainly couldn't have done a better job.

Fact is, it takes a while to write the puzzle and then scan through everybody's answer to know where they are wrong. Finally, explaining the answer that everybody understands takes time. If somebody answered it and it made sense to me, I'd just trust that other readers can follow the logic and try it on themselves. If they still didn't understand then they can post a question asking how. In that case I'd write an elaborate explanation. To be fair, nobody has complained that they didn't get the explanation/solution.