The first half of the page is AI/ads, and the rest is SEO optimized trash.

If any other search engine was worth any time, then those would be full of SEO as well. SEO is a huge buisness and as long as people just click on the first or second links (yes, they do) then it will continue.

Google and other search engines can try to combat it but as long as the money involved are good, it will not go away.