Ion doesn't think it's BS and he's the lead encounter designer for WoW. Check my signature.
Because a higher percentage of raiders saw the content. As soon as the content was being horribly underexposed, they brought out a queuing tool for it. See LFD.
You can. Your reason doesn't invalidate the comparison. Normal's too hard.
Not when every AH player and his bots are sending the prices of gems to the moon.