Could we get a Block AI toggle that we can turn on/off which would block AI created content, including videos (on Youtube, Facebook etc.), adverts (obviously), images, and posts?
@LenWobbler a toggle that blocks anything AI is not something that is easily implemented. Individual posts/content/videos containing AI content across all websites is a very big ask.
What you can do is block AI search results (and associated icons/options) for search engines by enabling the Anti-AI Search Filters filter list in brave://settings/shields/filters:
