I don't know the ins and outs of this, but wouldn't that still mean that the app would have to rely on google infrastructure to do push notifications? That migh

I don't know the ins and outs of this, but wouldn't that still mean that the app would have to rely on google infrastructure to do push notifications? That might be a fix for the licensing problem, but it wouldn't address the problem that that would move virtually all remaining google-free (-ish) messengers into googles direction, with the potential for centrally siphoning of (meta-) data