[staunch]

> Because a test that doesn't test "what happens when the enemy knows the weaknesses" is not a test.

Sure it is, if the opponent can't deploy effective counter-measures.

It doesn't matter if a protected drone is possible what matters is whether or not the opponent is capable of actually deploying protected drones. In a cat-and-mouse game all that is important is having an advantage for some period of time. It's not necessary to have the advantage persist indefinitely.

See: Russia's military being battered by very old technology every day in Ukraine, where in many cases counter-measures are well known but unavailable.