As a forty-something semi-retired electrician, the following apply to me:

(c) I own a cell phone, but NEVER leave the house with it (effectively a landline, but less expensive). When my city recently began requiring an app for public street parking, I simply stopped paying for parking (it's only a $16 fine, unless you are handicapped == free).

(e) The only thing that causes me to update my phone is when the battery swells up (typically around eight years). Otherwise I don't even update the original OS.

(g) Flat out, I refuse to use your app

(i) Whether by business/marketing or governments, agreed