Enough text comes flying through the radio buffer from the team channel and SYSTEM. Adding "channel 1" to that din would be unmanageable. As it is, all it takes is one monstrously inbred dweeb on your side yammering up ch.200 to render it nearly useless.
And even though I "sometimes" use vulgarity (hehe) I find the tenor on the airwaves of AH kind of satisfying.
That said, I'm not sure I agree with squad channels being moderated - if that's the case now. That is a voluntary selection, after all.
The 'Net has grown and, sadly, adopted much of the political correctness of our current up-tight culture. Everyone's too willing to sue ... or at least complain ... instead of just rolling with it. It's come to the point where if you want a BBS with rules you like, you pretty much need to run it yourself.
I'm actually considering using my own forums for the upcoming Rangoon event simply because I know people will get PO'd at each other and I don't want this running up against HTC's foum policy.