The decline of Google's search performance is on the front page of HN at least once a week. It's common knowledge at this point.
Try Kagi if you want to be reminded of what good search is like.
But such searches doesn't generate much ad revenue, so it doesn't do much to Google to lose them, all the people searching for articles about makeup or clothes or games or other things that has strong advertisement potential Google is awesome as a search engine, I haven't seen anyone say Kagi is better there. Kagi is only better for the searches that Google doesn't care about since they generate so little ad revue, Google uses so much compute per search that I'm not even sure such technical searches would be profitable for them to run, likely that would increase profits to lose them to Kagi.
- You can't prove that! I'm not trying the steak until you have evidence that it's delicious!
The typical HN downvoter invited (once) to eat at a restaurant...