That’s not useful, that’s not helpful, that’s not smart, that’s not having a “nuanced understanding”, that’s cynical minimization of unwarranted violence and horrible crimes against civilians.
It shift the blame of warcrimes on a cynical and frankly halfassed “that’s just how it is” kind of “explanation” and minimise the responsibility of the culprit.
You can’t just say that both sides of a conflict always do this and handwave it as if it was some kind of universal law, if you want to claim that, you need to prove it.