The majority of users on this site box at least four toons.
Many box five or ten toons.

Four or five toons is a severe drawback to your team, in most 10-man battleground environments.
It is increased power, but loss of flexibility in the 15-man battlegrounds with EotS being the one that really shines for 5-boxers.
AB isn't particularly good or bad boxed.

The 40-man BGs are the primary strong option for 5-box and 10-box teams.
They are not an option for Rated Battleground play, only the smaller BGs where boxing is usually a disadvantage for your team.

Does it surprise you that most boxers prefer to run the 40-man BGs over the 10-man & 15-man BGs?



Similarly, is it surprising that people want to play with their friends?
Or that they want to coordinate to win their battlegrounds?

Sure, I agree that when it is 30 coordinated boxed toons, in a 40-man battleground...
And the other side is randoms, it is not exactly fair.
Or in the case of RathStrat (Horde) or QQ (Alliance), 25-35 coordinated players boxed or not vs a random group... same lack of fairness.

When we run into an organized opposition, those games are by far the most fun.
Even if we only win half of them.
I would take coordinated vs coordinated play, in 40-man BGs over the current 'Random' or 'Rated' options.