I was trying to copy a gallery from one page to another and couldn't figure out how so I Googled the issue and ended up here in a thread that is a couple years old complaining about not being able to move content from one page to another. Kind of wishing I had stuck with Wordpress at this point but oh well, I guess I will manually re-upload and rearrange all the photos again on an existing page (and no, duplicating pages won't help me here)