I am wondering if they also put an algorithm to decide when "a certain amount of agreeing feedback" is reached. But TBH compared to other search engines Google

I am wondering if they also put an algorithm to decide when "a certain amount of agreeing feedback" is reached. But TBH compared to other search engines Google is much better in general, my doubts are on the "summary" Google is doing presenting stuff as fact instead to just link you to the source directly.