Earlier quoted context omitted.
Essentially everyone my age and down? I'm a late millennial. If the number in your name is your birth year I'm not too surprised, but don't assume you can project from your own experience onto others 1:1.
How many millennials on down are “non technical” at least to the point that they can’t download an app?
I can't even get my wife to install Element - and she works in tech as a senior python / automation engineer. People want neatness on their phone and low total complexity, and installing a messenger for a single person is over the line for most.