Games aren't based on logic and fairness, they're based around people playing them for fun.
And apparently a lot of people gladly find doing just about the exact same thing over and over fun...so then they don't care about everything else in the game so long as the part they find fun doesn't get messed with (needless to say, people usually find winning fun too).
you nailed it there, COH2 will be never balanced, or become truly competitive scene. Main reason is no competition. Starcraft had to deal with numerous imitators and other RTS franchises. COH2 is the only TRTS on the market, and the market by itself does not seem very lucrative.
Me personally after around 2000 hours in COH1 gave up on the COH franchise and stopped playing this genre.
Most astonishing is that if DOW3 will come out, i will probably buy it on sale, because relic are the only ones making tactical real time strategy.
We just don't have any choice really, relic can do what-ever they want until a major competitor enters the scene.