I have done the exact migration you're considering. Or more accurately, in still in the process, but overall it's definitely been worth it. Instead of thinking

I have done the exact migration you're considering. Or more accurately, in still in the process, but overall it's definitely been worth it. Instead of thinking about it as a single migration, be a little easier on yourself. Even if all you do is start giving out your protonmail address starting now, Google will be reading a lot less of your emails.