GOS has their own support policy, they can’t keep updating old(er) devices. So yeah, it matters, as some vulnerabilities wouldn’t be patched on some devices.

Aha, sorry, I hadn’t realized that GOS had their own EOL timeline.

What I meant to ask was “If you use GOS, does it matter if Google ends support” and after your comment I read deeper to find the answer “yes, because GOS relies on Google to maintain the firmware”. Thanks for the push