Part of the problem with people replying to the wrong person is based on how you read the board, and many people may not be aware that there are different modes to read in. It depends on whether you read in "FLAT" or "THREADED" mode. On the line just above "Reply" "Quote" and "Quick Reply", there is a line of buttons that says "Previous" "Index" "Next" and "Flat" (Or "Threaded") If you click on the Flat or Threaded, it will switch to the other view. This sounds more complicated than it is, but if the button says "Flat", that means that you are currently reading in "threaded" mode, which is what I do 99.99% of the time. If you are replying in Threaded mode and you hit Reply to the exact post you are replying to, you will reply to the correct person, not just at the end of the thread.