As you probably suspected, the answer is: everyone cites conflicting precedents and then they give it Dag's niece until the end of the season. Oh so very UN.
What happens if the UN Security Council cannot pick a new Secretary-General by the end of the year? It's very very possible so @benaldson.bsky.social and I outlined some of the options for @plataformacipo.bsky.social 1for8billion.org/if-security-...