Really great work! It is exciting that people are working on alternative indexes of content, especially ones that prioritize content written by individuals for smaller audiences. The uBlock heuristic is an interesting way to capture that.
Matches well with our thesis we wrote about here: https://re-search.xyz/writing/mapping-the-new-world-towards-...
Disclaimer: We’re a research group that is also working on a new kind of search engine. Our approach is a little different though. We think that information is now scattered across different semi-open silos, so the future of search will not look like a search bar and ten blue links to web pages.