Alternatively, if they are happy with their pro-grums, familiar with the interface, and not getting gouged worse than the next cable subscriber — consider letting it rest.
From things like being able to punch in a channel number to having the cable company to call for issues, folks in that generation might really prefer paying.
I’m basing this on my years of experience with a now 60-something and now 80-something. YMMV
In my rural area’s 50 mile radius, there are just gas stations with to-go bags. The gas stations are, at best, convenience stores.
I uninstalled the app after seeing it was just an advertising opportunity for those gas stations.