Guy King wrote:

The message . com
from "Dave X" contains these words:

Top-posting is a means of showing courtesy to other
NG users by replying to them when you have something
to contribute.

In your eyes, perhaps, but very very many people disagree.
What about middle posting as a compromise?
A: Because it runs counter to the way most people read and converse.

Q: Why is top posting bad?

--
Skipweasel
Pay no attention to that man behind the curtain.