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Since this query doesn't seem to be getting a lot of attention, I thought perhaps a specific example might be worth providing. I was thinking of cases like Characters.Minecraft The End — there are multiple folders, but the page as a whole is still very short and I'm not certain it really warrants being split off by itself.
Assuming it doesn't make the general character page too long, yes.
Link to TRS threads in project mode here.

I wanted to ask if the 40,000 byte minimum for splitting off new character pages only applies to pages for single individuals or for groups as well. For example — say that there's a character page for The Adventures of Alice and Bob, with a section for Alice's gang and a section for Bob's gang. If Alice's folder, by itself, has less than 40k characters, it doesn't get a page. If the folders for Alice's gang, put together, also count less than 40k characters, does the ban still apply or can the group be split off into its own character page anyway?