You spent more time typing that out than it would have taken to actually check Google’s wording. They claim “7 years of OS updates”, you’re just spreading misinformation.

https://store.google.com/product/pixel_8a_specs

Every Google search should include an AI answer! Who cares about energy usage, we’ll just buy a nuclear power plant!

Seems like you can’t find a robo vacuum without a camera these days, anyone not running https://valetudo.cloud/ is asking for trouble.