I feel like Google became absolutely unusable as a search engine. You search for "keyword1 keyword2", and at least half of the results are either "Missing: keyword1" or "Missing: keyword2".
Until a year ago using DuckDuckGo instead of google felt like only an equal or inferior option. But at some recent point I have found that DDG has slightly improved and Google has gotten much, much worse. With DDG and Bing Chat, google's future is looking very Internet Explorer 6.
DDG is following Google's path, with removal of the exclusion operator. Nothing like searching for "foo -quux" and finding "quux" in ALL of my search results, on DDG and Google alike.
Make your tool so idiots can use it and only idiots will use it
Google is especially bad that this. Often what will be remove is the most important keyword, I assume because that yields more result.
They moved over to really dumb word vector stuff, they mention it in the TPUv4 paper and it is pretty surprising but probably monetized better somehow.