Are Modern Cameras Useless Without AI and Scene Detection?

When you shoot with a modern camera, chances are that you're using some of the more very automated autofocus modes. By that, I'm talking about AI detection and scene detection - depending on what brand we're discussing and the vernacular that they're using. In the past year or so though, I've been very curious to know and understand how good modern cameras are without it. So are they useless without AI?