Proton Authenticator: Don't you want diversification?

When Proton released its new authenticator in July 2025 I had mixed feelings about that. A new authenticator app although there is a bunch of viable, secure and privacy-respecting as well as well-maintained alternatives . When did you as an ordinary user trusted all your secrets, mail, vpn, password, 2FA and so on, to one company and what happened next? Just upfront, I do not have anything…