It would be nice to have a Meta Blocklist. This list block all Meta apps, services, trackers etc. (Facebook, Messenger, Instagram, Whatsapp).
Maintained by Lightswitch05 (https://github.com/lightswitch05/hosts)
A hosts file to block all Facebook and Facebook related services, including Messenger, Instagram, and WhatsApp.
License: Apache 2.0 (https://github.com/lightswitch05/hosts/blob/master/LICENSE)
Raw URL: https://www.github.developerdan.com/hosts/lists/facebook-extended.txt