There is no rhyme or reason why some items so obviously violating rules and reported, has no effect.
All I can add is my experience.
I've reported the odd item, ( would report more if I knew it was effective, and not wasting my time! 🙄 ) just changing the ' reason for the report' , has seen the item after 3 attempts, to have it removed.
Worth a try, otherwise as said, no one has the answer as to why some items are just not removed when correctly reported ! 🤔
@rattuscanis