ecological concerns and old hardware

This is how most old people I know use a computer. They turn it of for some specific tasks, usually for electronic banking in addition to the email, then turn it off and do something in the real world. And are very annoyed or even scared when the bank web site starts complaining the browser is too old, or certificates have expired and scary-looking warnings pop up. Fixing this may then require upgrading the browser, which may require upgrading the OS, which may require a new computer...