They don't owe you anything, but for many popular devices support extends to years. There are many devices on their support list which are 8 years old or more.

They don't owe you anything, but for many popular devices support extends to years. There are many devices on their support list which are 8 years old or more. (eg: Galaxy S4 from 2013, yet running 17.1). PinePhone is great, but it certainly isn't for people expecting a smartphone to do regular smartphone things - run apps like Whatsapp/Signal etc.