If you do not like an optional service, do not use it.
Facebook has to make money some how and they deserve to do so. Their only real assets are the information they have on users and advertising space. No one is forcing you on here and how likely do you think it is the data gathered on you is important to anyone but you anyway?
Stop getting scared or entitled over a service which has likely improved your ability to connect with those you know and never charged you a penny. Facebook is a brilliant tool and folk need to stop associating companies with being inherently bad whenever they try to make money...