Heck, Cairne and the Tauren sought out the orcs by themselves to help them out out of gratefulness. If that's not natural I don't know what is ;)
Maybe the writer has other plans than just reflecting WoW lore into this comic. Just like some people do with Harry Potter and Lord of the Rings (some stories are hilarious xD)
That's called being lazy. If you're gonna use an existing universe, do it right :P
I'm with XartaX on this one :)
Now now... Let's see where this goes before we jump to conclusions.
Conclusions? What he did was like saying the orcs never invaded Azeroth, or goblins aren't greedy (in general). Regardless, I'm not here to hate on him, but facts are facts.
XartaX
Um, the Tauren quite willingly allied with the orcs to thank them for what they did. It was indeed a "natural one" (as they respected each other a lot from their first meeting). Play the wc3 campaign?:7
http://www.youtube.com/watch?v=0BRaefmnfp8
etc.