Earlier quoted context omitted.
Even more annoying is the same thing that they do with email notifications. They seem to keep inventing new "categories" of notifications all the time that I haven't yet opted out of - basically because I seem to be only able to opt out of just that specific category that they just sent me an email about, when I click on the "don't want to receive any more of these mails" link below the message. And every time, they…
This is an indication that user commitment is very low on Facebook. As long as users are actively involved there is no need to send emails. Sending emails is a (bad) trick to make people curious and make them login to your platform again. I think the Facebook app is just 'dead' and Facebook is lucky to have Instagram.
> As long as users are actively involved there is no need to send emails.
IIRC, Facebook sends those messages only when they've detected an account's usage dropping off. When I was a regular user, I never got them; but when I stopped logging in for days or weeks at at time, they got more intense.
They're a deliberately designed mechanism to keep addicts hooked.