So the medic and repair pioneer unlocks aren't side tech? The amount of resources you lose once you lose your fragile and static med truck? I can buy a KT for that man power or a Panther and some Volks.
UKF forward assembly is fragile.
Soviet FHQ is fragile.
USF major+ambu combo is fragile.
Wehr command+medic bunkers are fragile.
Trucks are anything but fragile.