https://meta.stackexchange.com/help/dont-ask
"List question" is meta jargon on stackoverflow that longtime users will understand. It falls under these "open ended" questions, hence why OP's question was closed as "primarily opinion-based" - IIRC it used to have its own close reason but got rolled into that when others were needed.
Here's a meta question specifically about list questions that says basically the same thing: https://meta.stackexchange.com/questions/139618/are-list-que...