Many of these older people don't even know how to use a smartphone so even a 'perfect solution' will take some effort.I still have to help my grandpa with landline calls because he never had one himself (I live in one of the most developed countries in the world).
This sentence is hilarious from an American perspective. There are central business districts of major US cities that are less connected to public transit than the most remote rock at the end of a steep canyon in Switzerland.
A bus that ran 1x a day on any day of any week would be a drastic improvement for nearly all of the US.
That some PT is still not covering somebody's full needs for long term living is understandable too I presume, especially if its few days gaps in service.