Why do so many of the complaints I see about Facebook in almost all forums seem to instead be about the complaintant's friends and family and the things they sh

Why do so many of the complaints I see about Facebook in almost all forums seem to instead be about the complaintant's friends and family and the things they share? Why you would be Facebook friends with someone who shares stupid or uninteresting things? And if you feel obligated to maintain that friendship, why would you complain about it? How is it Facebook's fault that your friends and family share stupid content?