If you're that worried you should really switch to a degoogled Android like GrapheneOS. But fwiw I doubt google would know your Protonmail address just from logging in through the protonmail app
I highly recommend you use GrapheneOS with Sandboxed Google Play Services, nearly perfect compatibility and much more private and secure than any stock Android
T440P is cheap for a reason. Personally I don't want a 6 pound laptop with a decade old CPU and a crappy TN screen. Something like a used T480 is reasonable though I guess
Well, he didn't have much of an acting career after TNG. I would highly recommend Wil Wheaton's book Still Just A Geek that he just published a few months ago, I've been listening to the audiobook (read by Wheaton) and it's really good, and there's some stuff that's "exclusive" to the audio version (stuff he thought of as he was reading it again lol)
My ship sails in the morning