Google is a joke at this poin

Fwiw even though OP’s screenshot is from Google, if you try it yourself and read the linked article, you’ll see that the problem actually started with Bing.

And even more weirdly, it originated with Bing’s normal search, and not with its AI chat “search”—which actually got the answer correct.

In this case, google’s message is basically the automated equivalent to throwing shade at Bing. It’s saying “the results are changing quickly” because a bunch of news articles are coming out on the topic, calling out Bing.