When you are creating a page with multiple text headings and subheadings, and paragraphs below them, it creates lots of extra work to have to position each of these as a separate object, and then create a stack.
It would be much easier if there were a single “text box” object, and you could then select text within that and style it: so a single box could contain the headings, subheadings and paragraphs, all flowing after each other as they would in a Word processor.