If you disable it globally intending only to use it on website by website basis it breaks. Still it does the job hiding those useless, space wasting, often wrong, so called "AI Overviews" from Google search.

EDIT: 13 months after posting this review I am going to remove this add-on because, in all honesty, I am not sure if it even does anything. If I notice a difference I might reinstall it in the future. Original rating of 3/5 stays.