Where "most laptops" = "everything except Lenovo and Apple", more or less.

Easily verified with a simple image search for "<brand> laptop keyboard" where "<brand>" is not Lenovo or Apple.

Which is probably also why Lenovo's BIOS has an option to swap the Fn and Ctrl keys.

Lenovo seems to be joining the rest of the world with Ctrl | Fn, based on the new ThinkPad I was issued at work a few weeks ago. I know the older Fn | Ctrl systems had a BIOS option to swap them, but I'm not sure if the new ones still have that.