The channels are allocated for zones that are used most. Since your question does not even bother to mention which zone you are talking about, OP, chances are slim that you will get good explanation. I suspect you mean Xaviera, and if so, there is additional reason of reducing opportunities for dogbotting and all the conflicts over it while not hurting anyone doing the other daily, aka flies.
-- Rustyx --- 92R / 92S / 92M on Reni (Guild KnightShift). Yes, running the new FOTM R/M, cause I am not elf enough to be WD/S.
Oh, and people who have more than 3 classes are clinically insane.