* CMOS:
[OFF TOPIC]
Please read the FAQ before posting. Don't feel unwelcome. But please
read the FAQ before posting, especially about topicality and how to post.
--
A: Because it messes up the order in which people normally read text.
Q: Why is it such a bad thing?
A: Top-posting.
Q: What is the most annoying thing on usenet and in e-mail?