But anyway, as Hagen said, each faction is a little unique.
See i think the problem is that they are TOO unique.
In comparison to factional differences in COH2, in COH1 the differences were there but were smaller. A med tent didn't = or come close to a med bunker even though they sort of served the same function. MGs looked similar, behaved similarly (both did damage, both had suppression) but came in different tiers. There were similarities (price and function) and differences (armor/mobility/veterancy, etc) to StuGs/M10s, etc. The biggest was veterancy, which was also sort of broken (but much less so) in big games.
The two factions played VERY differently. That is because an accumulation of little changes mean people will use tools differently. Each faction also had a viable way to play with mostly or all infantry (Paks/AT included) as opposed to going just for armor.
In COH2 they hit each faction with some sort of huge Difference bat. They will have different weapons, different teching, different veterancy, different late, mid and end game strengths, different things that commanders do for them. It is all TOO much difference. And to dig in and say that "difference" is the point means they are keeping themselves from adding some fixes. Adding a Pershing is not going to make the USF play like Ostheer or OKW or the SOviets. Nor is giving them some sort of elite infantry.
(this is not a recommendation but an illustration) If you had mirror image units but different teching or different ways to heal/reinforce you would still have the factions played differently and with a different feel, but the developers are so enamoured of the
idea of "difference" that they apply it to everything they can find.
Added: Wehr was still easier for newer players to play because it is easier to understand positioning than mobility and because "defensive" buffed emplacements and units on the defense. It had weaknesses but the other player had to learn them then learn to execute them. Wehr had more "invisible" units which is easier for a noob to use effectively (Paks, Storms, & Goliaths). And some mechanics were Wehr favored; a medtent needed 6 (27 mp) bodies to give you one un-vetted rifle (270 mp) while a med bunker gave you a Grenadier at whatever your veterancy level for 4 (usually 22mp) bodies and was more durable.
OTOH most people came in having played the missions so they had some understanding of the US units (and some bad play habits to break as well).