This, plus an AI generated voice reading a TikTok-creator style catchy summary, plus TikTok's actual algorithm for surfacing content would actually make a decent app I believe.
EDIT: Also the name should be WikTok instead of WikiTok.
I've built something similar a few years ago, combining Wikipedia content and open domain pictures/videos to create long form videos automatically. Uploaded a bunch on YouTube as well. Wrote a blog post in case anyone is interested: http://ailef.tech/2020/04/29/turn-any-wikipedia-article-into...
EDIT: Also the name should be WikTok instead of WikiTok.