It only kills tanks... that's 26 pop cap and 435 fuel tied up in the slowest moving vehicle that has very little anti-inf capability. If you lose your tanks, come back with all infantry and see how he does.
Perfectly fine because his pop by this time is filled with vet three-five paner fusilliers, Obersuldartens, sturm pios, and volks. By this time he is murdering infantry with no competition except shocks and double M1919 rifles