the google is dying narrative usually misses the fact that the incentive loop for niche blogs is just broken right now. we're caught between writing for the 'helpful content' algorithm or writing for actual humans. curated directories like this are basically the only way to bypass the seo arms race and find real domain expertise again.
I'm not sure where they are at this moment, but a while back Google seemed to abandon EEAT and SEOed pages in favor of pure domain authority. So it no longer mattered if you page had the all-important "Key Takeaways".
Blogs are still discoverable via aggregators and link sharing. But those are ephemeral, directories like this and search engines like marginalia are important resources.