Lol...whatever the reason is...it's Blizz own fault. They didn't stop the duping and now it's that cheap that almost anyone that wants one got one.
*Just wondering what Bliizard's opinion is on Horde in Isle of Conquest?
I think Horde avoid it or give up too easily. They used to win it handily.*
Same in AV. They used to win it...but meta changed and the Horde is exactly as lazy as the alliance(and it's a bit odd to think they should work harder for the win than alliance does) and as a result of the uneven map design alliance wins now. Can't blame the horde...neither can you blame the alliance for losing arathi and mines.
Check out how much Strand of the Ancients win rates changed since they cut the advantage of alliance by giving factions a random starting position.