4. Tutorials.
Indeed, it would be great to create something similar to what Nagan-4 suggests. But who would do it, and who would read it? I agree with Wicc that only a few people read these, which is a pity.
We need something more interesting and visually appealing, for example, a tutorial video (like in poker).
I, for example, enjoy reading them. Especially materials where the thought is expressed clearly and understandably. Many authors immediately move on to specific examples, which is not very good. In terms of authors, I like Wicc. He writes simply, clearly, and accessibly.