So, If I understand correctly, the justification for not firing back after being fired upon it is because people would escalate more attacks into base? I would also echo that isn't the sentiment through many convos with members in game.
When I was in, the ROE was not to fire at Mosques because they were religious sites. Meanwhile, everyone knew they were storing weapons caches in there, openly using as LP/OPs and regularly sniping at ground troops who could do nothing. You would have to get an act of god, run it ALL the way up the chain to get approval for destruction, which was rare. Meanwhile, our guys paid for it because hearts and minds....