This question "Why have only Democrats been accused of election fraud?" has been deleted by Cesar M, a community manager at SO.
There was an ongoing debate about whether the question is on-topic or not, it had 4 reopen votes before being deleted. As far as I know such debates are common and usually solved through the normal process of community discussion and votes, occasionally settled by PoliticsSE moderators. I don't see anything remotely offensive in the question and it's not especially controversial in the context of PoliticsSE.
Why was this question deleted, when it could have been debated and possibly closed through the normal process?
To be clear, I don't really care about this question in particular but I'm curious why/when SO staff can unilaterally delete questions like this?