Because obviously your infantry is immortal and you can’t get pushed back.
Well, apparently for some reason, that opposing infantry is, so yeah, use your own immortal infantry that can't be pushed back to counter them?
Apparently also since you can play the KT perfectly it’s all good. Perfect play means no buff needed.
Actually, yes, no buffs are needed over what it already got.
We've been over this already in the thread - stop building panthers, they aren't going to help you against these TDs, build JP4 to support it.