Instead of dealing with the large amounts of Chinese and Russian (yes, they are Chinese and Russian because they are speaking Chinese and Russian) bot accounts, they would rather penalize the average player.
Seriously, log onto Ebay or other websites and you can see actual thousands of items for sale right now. When you log into battle.net and go into the lobby you also see the botters spamming the channels with their garbage advertising.
Now imagine these bot accounts spamming Meph/Pindle runs and relogging over and over.
This is the reason we have a queue.