Just my anecdotal experience but we've had the kiosks in Australia for a while now, and I've seen queues for a kiosk while there was a person waiting at the reg

Just my anecdotal experience but we've had the kiosks in Australia for a while now, and I've seen queues for a kiosk while there was a person waiting at the register with nothing to do... ...and I stood in the queue instead of going to the register...