In war, collateral damage, or the harming of non-combatants is usually justified by the argument that it deals significant enough damage to enemy combatants to

In war, collateral damage, or the harming of non-combatants is usually justified by the argument that it deals significant enough damage to enemy combatants to outweigh the harm done to civilians. What would you call an operation that has nearly 0 effect on enemy combatants and only deals damage to civilians?