They just need a cable that goes from their device to a USB-C port. That's it. Most of the time, the device in question has a USB B port on it so all they need

They just need a cable that goes from their device to a USB-C port. That's it. Most of the time, the device in question has a USB B port on it so all they need to do is buy a USB B to USB C cable and they're good to go. Sure, sometimes they need to plug in a dongle and will need an adapter until USB C dongles become commonplace but that is hardly an issue at all.