Operational targets can't all just simply be moved further and further back from the front lines of a conflict, to say nothing of high value tactical targets.

Supplying several hundred low observable air launched cruise missiles per month would absolutely make a significant difference on the battlefield, that's not even a question.

But that doesn't mean I believe that would enough to cause Putin to reverse course, or to deliver a strategic defeat to the Russian army.

Regardless, Germany doesn't have that manufacturing capacity to begin with, nor do I believe they have the political will to do that, even if it were possible, but again, it is not.