(I’m not happy that you need an app to buy tickets, but that’s a different thing — he didn’t choose not to own a smartphone out of principle)
Were you 65 years old when smartphones came around? My grandparents had 8 years of formal education, they never figured out how to use computers when they were alive, not because they didn't want to but because it was too complicated.
In a society where human dignity and respect matter you don't ignore people who can't keep up, you don't treat the elderly like obsolete machines you discard, a lesson you ironically probably learned from how you treat your phone.
People who post here in general have no idea what life is like for people without the upbringing or cognitive skills to deal with the complexity of the modern world and technology.