Because they are making so that we get less results that are just cheating the system to show up at the top?

No, because they are failing to hide low quality search results. Something the would invest more money in if an alternative search engine existed.

Imagine if you could search for a GPU and get a a proper review of it instead of a million websites that post inaccurate specifications which are categorically worse than just looking up the specs on the official manufacturer’s website? I think we would live in that world if there was competition. Google Search would be better if it had competition.