Threads about aircraft do not fall under any of those topics, nor do the scenery topics I created fall in any of these categories, which is where topics from the aircraft and scenery topics were being moved to.
They ended up agreeing with me and recreated the Aircraft section again. So I’m happy there. Some topics have yet to be moved back, such as the topic on the B314, but I imagine they will be moved back eventually.
I also see that scenery topics are now being moved to World, that works for me as well (though it’s a pain to have to scroll to the bottom of the list… guess I can’t have everything 
).