Every banking site I've been on jumps through all sorts of hoops to make sure the browser doesn't save the password, usually with some 2FA thrown into the mix.
But I'd imagine that a lot of older people have a helpful passwords.txt file sat smack bang in the middle of their desktop, or just use the same one for everything. I mean, we're in an age where you need a username and password to update your graphics drivers for some godforsaken reason. It's not going to be hard to find that The One True Password with access to this.