I don't get it: how it's better than my password manager not autofilling passwords? Which is basically free, and doesn't require inconvenient usb dongles. (I'm

I don't get it: how it's better than my password manager not autofilling passwords? Which is basically free, and doesn't require inconvenient usb dongles. (I'm not claiming that it isn't better, honestly asking how it's better because I don't understand benefits of this technology over simpler solutions like password manager)