This seems like a good start and has the potential to be useful. But some of the documents are hard to consume because it looks like you need more context to understand nuance and how they fit together with other things. I'm not very familiar with Notion. Will this be something that is easy to expand with Notion or is this the wrong platform for such things?
It's the worst platform for developing a wiki.
Closed software, running on proprietary site, with no edits allowed without signing up to the company.
It's great for company use, but it's entirely the wrong platform for creating a valuable resource of information on the internet.