I got this question from DJ Classifieds support
I'm not sure if JFB run Joomla onUserAfterSave trigger, please contact Sourcecoast, if JFB triggers Joomla User events https://docs.joomla.org/Plugin/Events/User then plugin Points on start will work.
Any way I can get this to work?
Yes, JFBConnect does use the user plugin trigger for onUserAfterSave in our JFBConnect User plugin (jfbconnectuser). That's where we map the social user to a Joomla user and save profile information to the new user.