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I agree with you. Yet small companies like S2 games, has such feature running on a server side. But of course if the game is played peer to peer, it would load the "host", if live spectating is implemented. (I guess this is how it works, someone correct me if I'm wrong).
Aside from that Lynx did mention in his post, that it's on the list of things to come. Just not included in launch. Even though I'm a casual player of the first coh, I would love to see coh2 (and coh) being balanced after pros and high tier player input.
In responds to crawler. Do they have pauses in LoL? I know there's a pause system in HoN and those games are somewhat similar.