Browser Password-Managers and Autofill - Do you actually know what happens here?

Browser password-managers and autofill was introduced so many years ago for convenience and I'll give you an important tip. When you set up a new browser on a computer, the first thing you must do is disable Password managers and autofill. Likely you have no idea what is happening here and you just go with the flow. Well, it is there to zuck you.