Two responses from the comment section of the article:

Okay, this is way less bad than the headline, or even the article makes it sound. Like obviously bad and it's going to catch some people, but it's framed in the headline and all over the text as the article as though it's inserting text into the actual static elements of the webpage being served, when the screenshots just show it putting the text in the search query bar.

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But it also then shows up as a header for the search results, which can easily be mistaken for a static element of the site by a user, especially since the user is not expecting to get dumped into a search results page.