You simply don't. This quest of saving idiots from themselves is not gaining anyone anything and meanwhile other people get more and more useless restrictions.
Or you can just not give a loaded shotgun to every browser user on the off chance they need to interact with 1 (one) usb device per year.
Or you can just not give a loaded shotgun to every browser user on the off chance they need to interact with 1 (one) usb device per year.