[eru]

I wouldn't call even a six percent reduction 'banal'. But it depends on the amount of resources invested on both sides.

As a hypothetical:

If the attacker invests approximately zero resources, the defender invests crazy amounts of resources, then even approximately zero actual damage is a great outcome for the attacker. The real damage is in the resources wasted on defense.

Btw, this is pretty close to what our societies did to our own civilian air travel in response to terrorist threats in the 2000s.

(I have no special insight into the numbers for the current war. But I wouldn't sneeze at 6% reduction.)

[createdapril24]

The attacker in this case is investing significant resources and the defender isn't investing crazy amounts of resources.

I see your point but I don't think the hypothetical as stated is a fair depiction of the dynamic.