User blog comment:MisterWoodhouse/Creating new wikis on the Unified Community Platform/@comment-9605025-20200303184755/@comment-24006128-20200303185712

It doesn't take 5 days to determine if a wiki broke the policy or not. It takes a matter of seconds or minutes.

A user should approach that wiki ahead of time. It's why we recommend joining a detected existing community. If they don't want the type/style of content, we can work to determine the best course of action.