Earlier quoted context omitted.
Kids these days, how dare they use technology, am I right, fellow luddite on the internet? People lose paper tickets. People throw them on the ground. Stations are littered with them. Oh, and people do spend ages looking through their pockets, bags, coats and other places for where their paper ticket is at. You're just being contrarian because you're on a tech website, tbh.
If a mobile phone is now a prerequisite for living, governments should issue them to all citizens, and provide maintenance and replacement. Or just don't expect people who don't own a phone to own a ticket.
While the duopoly is better than the monopoly of Microsoft Windows back in the day, it's also worse as the reliance on software is much greater, and its become harder (if not impossible) to write your own implementation for $alternative_system.