no  Thse who are divorced and remarried, who are living as unmarried couples, or gays in a purported marriage have separated themselves from the sacramental community of the Church and by definition can therefore play no official part in a synod. That doesn't mean they cannot be listened to and that their concerns cannot be addressed. What cannot be done by any synod is change the magisterial teaching and doctrine of the Church. If this bishop thinks he can, he can't.