Ugly UUOC (Useless Use Of Cat). Damn peoples, please i appreciate your will to share, but share good contents and stop spreading bad shell patterns....
The person shared their knowledge in the best way they know. It might inspire some to go and take a look and figure even better ways to do the task.
Useless use of cat is almost always more readable and better for explanation. It shows the direction of a pipe unambiguously and splits out commands from files at a quick glance.
UUOC is a pedantic ford-chevy argument.
Yes, it made the whole article useless.
I assume you're just joking around, but to you and the parent comment, I'd be happy to hear any good arguments for avoiding 'useless' cat. Note that I did mentioned 'useless cat' in the article, and there is already a comment thread in this article that contains my opinions on it.