> don’t support USB keyboards … and even if they unofficially do, the companies … deny it for some reason Perhaps they don't want to deal with support calls fo

> don’t support USB keyboards … and even if they unofficially do, the companies … deny it for some reason Perhaps they don't want to deal with support calls for “my keyboard isn't working” or “the keyboard mapping is odd for [insert HCI device here]” or similar, and have decided that simply saying “we don't support USB keyboards” is not sufficient to ward that off.