The issues of people getting news/information based on a machine has been excellently dealt with here -- I wish that I had written the article. RSS is an excellent tool which enable me, not google/Facebook what I read.
The question is do I want to own what i put into my mind? Am I prepared to think, choice and select for myself or just click and wait? I know that each webpage has its own editorial policy, but being aware of this means I can make my own choices. The mystic nature of the Facebook, Google and others services' algorithms means that there isn't this transparency