I've noticed Facebook seems to be really good at spamming me with useless notifications, it even somehow manages to do it after I've unfriended 90% of the people that I am not close friends with and blocked most notification types. Yeah I could prune my friends list even further and only check it passively, but then all I'm stuck with is basically an incredibly bloated email/chat service that is loaded with ads. Then again this is the 21st century, a lot of other tech products seem to fit that exact description too. In any case, I'm a lot happier after deleting it.