This sort of mass-email is weirdly impersonal because it tells the recipient that you want them to know what you're up to, but you don't want to write a message just to them. Also, it would be very awkward to opt-out ("hey dude, um please don't send me your mass-email updates anymore."), unlike company emails which there's no awkwardness around unsubscribing.
I'm not saying this isn't better than FB, but it still has some downsides (some of which the author may be overlooking because they don't bother him).