Don't put all your eggs in one basket again, that's what makes degoogling such a difficult thing. There's several proton services I intentionally avoid and use alternatives for so I don't have to uproot my entire digital life to leave them if they start being shitty. If you go from using all google services to all proton you're setting yourself up to need the same sort of big migration down the road. 15 years ago google was also an awesome company that kept making incredibly useful things for users just because they could and look at them now.
Proton launches privacy-focused Google Docs alternative: Docs in Proton Drive is an open-source, end-to-end encrypted collaborative document editor ( proton.me )