https://orgmode.org/worg/org-faq.html#closing-outline-sections answers
the question:
"Can I close an outline section without starting a new section?"
The answer given is:
"no. Org-mode adheres to the cascading logic of outlines, in which a
section is closed only by another section that occupies an equal or
greater level."
Is that limitation a feature, or a design bug? E.g. if someone proposes
enhancing the Unix directory system to support multiple files with the
same filename in one directory, the proposal would be rejected, with the
explanation that the limitation of only one file per filename is a
feature, not a bug, since it enables the name to uniquely identify the
file. (If you want to claim it's a bug, please at least edit your
subject line, or preferably start a new thread.)
Likewise, is the inability to close an org-mode outline section without
starting a new section really a feature? If so, what benefit does the
restriction provide, that would be lost by relaxing the restriction? Or
is the restriction really just a bug with seniority, and the difficulty
of fixing it (or the compatibility headaches caused by fixing it) would
outweigh the benefits?
Andy