Most likely the answer here is a mix of your curation (i.e. don't ever show me content from this person that overshares) and Facebook's existing systems that le

Most likely the answer here is a mix of your curation (i.e. don't ever show me content from this person that overshares) and Facebook's existing systems that learn, based on what you interact with intentionally and attentionally, what content available from all your friends will be the most interesting to serve to you at this exact moment.