The shortcut you'll need to convert YouTube videos into written articles or guides is from Reddit user psymoozoo, who also developed the Videoticle service that hosts the readable YouTube articles
With it, you can "share" the video you're watching to the shortcut, which will open it in a Videoticle webpage for you to read
https://www.reddit.com/r/shortcuts/comments/i8oa7c/read_youtube_videos_not_watch_them/