> Google's organic search results are ranked by quality

What does this even mean? They're ranked by metrics that are assumed to be a proxy for quality, but (a) the accuracy of those proxies varies widely and (b) the ranks are relative; if a result is no longer in the response pool the fact that it would have been higher quality is invisible. Consider the year where anyone who's profile had been tagged as a software developer couldn't find any information on tost rings for sailplane towing because the "autocorrection" to toString was so strong that no mechanism besides logging out gave any relevant results; there's always crap like this going on.