[fbender]

„This cool trick gives your Firefix super powers“ articles will appear instantly. This happened before with noobs following instructions to copy & paste code into the developer console(!), which pwned quite a few Facebook (and other) accounts. Same for banking websites, intranets, … social engineering works well on the unsuspecting. This is btw why browser vendors implemented measurements to make it harder to copy & paste into the dev console, as well as disallowed pasting „javascript:“ URLs to the address bar.