Wow, lol that was a very interesting read, so amazing how much changed from then to when it was released to well now. I'm still amazing that it did so well and has lasted so long, when I first saw it on a friends computer in first year, I passed over it saying I'd probably never like it (was into CS and AoE at the time). Now I'm still playing and most of my friends that couldn't stop talking about it back then have long since quit.
Look at the Blizzard's NO-NO list arround page 78 on the PDF, look at the last one.
No Rats and Bunnies to kill hmmmm ok, those bunnies arround the pandaria farms are not bunnies !
Nor is the Darkmoon Rabbit (wowhead.com/item=80008) and Giant Sewer Rat (wowhead.com/spell=59250) ...
(Sorry can't post direct links yet - and kudos to the person who gets the reference before reading the item)
<<edited to add title which does not appear on the page for replies>>