Well the person you're replying to didn't say anything about "ideal" user experience, they're talking about the phone being usable. There's a whole spectrum between these two points
The article mentions "longer availability of operating system updates, at least 5 years from the date the last unit model is sold". So it would absolutely change everything about that.
> longer availability of operating system updates, at least 5 years from the date the last unit model is sold