I like the idea of curation for the web.

If you're looking for product tests, you're overwhelmed by all theses affiliate marketing pseudo tests. In some categories it is barely possible to find a real test at all! Having a well maintained directy might be a big win.

Kagi has made web search useful for me again, but I fear that's a temporary reprieve and eventually the web will become unsearchable.

If that happens, then curated directories are the only effective solution left.

No, URLs are too unstable.