Why queuing for Alterac Valley takes that long?

I've been trying to enter into this bg in order to complete the "School of Hard Knocks" achievement almost for an hour. Also, in "random battleground" mode it does not usually come up.

What's the reason behind all of this?

. .

Quote:

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Originally Posted by Blkunxpd

If you're trying as Alliance - yes, you'll have to wait. All 'HK farmers' (alliance) que it specific to camp the graveyards.
Not to mention that it's almost impossible to reach and assault tower, because you will be on your own - your whole team will be camping some graveyard, horde will leave and you will face the newcomers on your way to the tower :D
AV/IoC have nothing to do with what used or have to be as battlegrounds. sadly

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So, there's nothing I can do about it? I'll have to pass without the achievement?