Yeah always intended. However, Commandos are too strong when they hit the field and not good enough later on once vet comes into play. They scale poorly and that's Relic's fault. At least they're still more useful than Churchills lategame.
Nerf Stens a little bit and give Lieutenant an damage aura at level 3 that only effects Commandoes?
Commandos have a great ability that blows up whole enemy squads in the late game. IEDs. They can plant Radio devices that make German cloaking (bundle nades, ambushed paks, annoing snipers) useless....but they shouldnt form blobs and that isnt a design flaw!