The difference is that I can't login to your account using a pin. I need to use your master password or passkey, then once I have I can use a pin. Basically the

The difference is that I can't login to your account using a pin. I need to use your master password or passkey, then once I have I can use a pin. Basically the pin is only local to your machine, so yes if someone steals your laptop it's the same, but there's a lot less people than can steal your laptop then can try to guess your Gmail password