I think it should be obvious from the full comment that I don't think that doing _something_ for this is useless. Most of my comment is about how this is not ac

I think it should be obvious from the full comment that I don't think that doing _something_ for this is useless. Most of my comment is about how this is not actually sufficient to protect people. And "we need to do something for this" doesn't mean that this particular feature/button is a good idea. Like I said, telling people to use private windows and teaching them Ctrl+W seems like a better solution to solve the same problem to me. You can have a widget with some basic tips, and you can even show the correct instructions based on the browser the person is using.