Doesn't matter if its fake or not - it's going to severely damage the reputation of the ai search summary. And that's a good thing I suppose - still this is misinformation.
It's surprisingly easy to edit the HTML in your browser and make something like a tweet or an email look legit. Screenshots should never be taken at face value
Some are real, the glue in the pizza sauce one for example, but now that "funny google ai gaff" has become a genre of internet picture, you can fully expect people to be faking them for upvotes.
It's not. The 5-10 figure is originally from an extremely unscientific study from the 1940s meant to spawn distrust of "German" cockroaches. While it absolutely happens the real numbers are much lower. More frequently they enter the anus.