No, that's an excuse and not a justification. You have to log in to the extension to use Privacy Pass. They are fully capable of pulling your block list and re

No, that's an excuse and not a justification. You have to log in to the extension to use Privacy Pass. They are fully capable of pulling your block list and removing those entries at the frontend. And safe search toggling via a query string parameter when using a token does not, in any way, expose any reversible information about a user.