There is already a great search engine, it is Google. The problem is that it contains an overwhelming volume of spam and auto-generated sites. To solve that,

There is already a great search engine, it is Google. The problem is that it contains an overwhelming volume of spam and auto-generated sites. To solve that, we all use the best search engine and apply site filters. Sites where we know other humans may have already discussed it. We filter for forums - and Reddit is the largest of those - and we filter for specific websites we already trust. Sometimes I filter `site:news.ycombinator.com companyname`, sometimes it's `site:dcrainmaker.com best gps watch`, sometimes it's `site:lfgss.com bottom bracket cable guide de rosa`. But if I don't know about a specialist website, then it's `site:reddit.com searchterm`. The search engine exists, it's just full of garbage with no effective way to search minus the garbage. I'd take another DMOZ, a human curation of specialist sites. Then I'd have something better than Reddit too... I'd have the right filter to make every search useful.