Nonsense. The message is a good one for everyone to hear. It's not a mistake specific to one specific author. It's a mistake commonly made by lots of people, and so the more awareness there is of how to avoid the mistake, the better.
I simply disagree. Internet commenters in general are on red alert looking for any little thing to complain about. So many of these complaints are not worth clogging the tubes with or necessarily even valid at all.
(depth of this thread and meta-meta-meta acknowledged and ceased)