Fair enough. I'm a little surprised at the response. I didn't expect many people here aren't already intimately familiar with pipes, and for those that aren't *nix users, I'm not sure the content is of interest.
I guess being honest around here is the wrong thing.
For what it's worth, I had no issue with your opinion and also didn't downvote either of your comments.
And I also didn't upvote the article, because it is indeed quite basic. Though apperantly enough people did find it interesting enough to make it to the frontpage ^^
But to people who follow her and are rather new to this way of doing things, this could be a good read.
Either way, it is nice to be reminded of the unix philosophy about chaining tools together for junior and senior alike.
Edit: typo fixes