I have to admit that it never occured to me that the keyboard representation in system settings could be interactive. All hail, Gary! Like some comments pointed out, there’s also a show keyboard viewer option in the menu bar, and its also interactive.
I’ve used the show keyboard viewer for many years. It’s almost a requirement if you need to type in “foreign” words or access “special” characters.
As a French Canadian with an English keyboard, I agree. But like I said, it never occured to me that it was interactive: if you press a modifier key, you can see the changes. I thought this bit of info could be useful to some of you.