Yes!
And it's not just money. Imagine trying to use a smartphone if you had Parkinson's, or age-related macular degeneration, or mild cognitive impairment. Imagine using one if you lived with an abusive partner who demanded your Pin and punished anything he saw and didn't like. Imagine needing to get rid of your smartphone to help beat your online gambling addiction, and then finding you were locked out of modern society.
We think too easily of new and shiny things, and we forget the people who don't fit the mould, who get left to fend for themselves.