Tactical Truisms Aside.

https://news.sky.com/story/israel-gaza-hamas-latest-middle-east-red-sea-ceasefire-sky-news-blog-12978800?postid=7295258#liveblog-body

I can certainly think of a, legal, reason.

https://ihl-databases.icrc.org/en/customary-ihl/v1/rule55

Although, for the benefit of those of us who we're mysteriously appointed as UN Special Rapporteurs without even a basic understanding of Actual International Humanitarian Law;

The 23rd & 30th words are; "Operative."