The reason Blizzard allows multiboxing is...

#0 - Oct. 3, 2010, 3:21 p.m.
Blizzard Post
They get multiple times the regular monthly fee from a single user.
Multiboxing uses third party programs to control the player's character. Apparently as long as the player actually controls the character him/herself, it's not considered against the rules.

I guess they think all these multiboxers are relatives of Goro from mortal kombat.
#88 - Oct. 4, 2010, 10:38 a.m.
Blizzard Post
Q u o t e:
They get multiple times the regular monthly fee from a single user.
Multiboxing uses third party programs to control the player's character. Apparently as long as the player actually controls the character him/herself, it's not considered against the rules.

I guess they think all these multiboxers are relatives of Goro from mortal kombat.


http://forums.worldofwarcraft.com/thread.html?topicId=5288579356&pageNo=1&sid=1#2

Also:
http://forums.wow-europe.com/thread.html?topicId=3982958571&postId=39822303961&sid=1#111
http://forums.wow-europe.com/thread.html?topicId=4062446499&postId=40745009543&sid=1#22