Google has had teams for twenty years dedicated to refining search results, some of it algorithmic, some human moderation. Raising high quality results, lowerin

Google has had teams for twenty years dedicated to refining search results, some of it algorithmic, some human moderation. Raising high quality results, lowering low quality results, keeping out spam, scams, misinformation, disinformation, malware sites, illegal material, and so on. It is doubtless one of the most essential parts of Google's business.