. I don't see myself ever needing to remove the things. It's not like I'll need to relocate them, because that would require redoing fabric panels, trim, etc. I suppose the question now is whether it's easier to build the three-sided box and then attach it to the wall or is it easier to just frame it up in place.
Never say never! Make it removable! My sub project required me to remove back right rear column. Sure glad we decided to make columns removable!