You should see my robots.txt file. I have told the legit ones to stay away. Every scraper and clanker that circumvents "anti-bot" technology can go straight to hell - they've been warned that I don't want them.

But your observation doesn't deal with the un-ethicality of the original article, advocating benefiting from cybercrime, and ignoring the explicit wishes of web sites that use "anti-bot" technology.