My father was willing to switch, my mother was not. So: my father is now on his third Linux machine in 16 years (two laptops and now a NUC hiding behind a 24" monitor). Normal updates are handled automatically; I do a major upgrade once a year. rsnapshot backs up to an external disk three times a day. Every so often he tells me that he wants to do something new, and asks if it's possible; the answer is always yes. My…
That’s the biggest problem I see to Linux adoption in these scenarios. Unless it is something super geeky, nobody makes client softwares for desktop Linux.
Taxes, documents, spreadsheets, Netflix and other media, everything is accessible from a browser.