IK for one has proved himself to be living in Pak, he never abandoned pak since his retirement from cricket. His children live with their mother who is divorced , it is different case from others.
Nevertheless, the Ummah is lost and there is no true leader , so far, although Erdogan has shown some promise but will the others allow him to lead.
I remember Col sb, a buzurg , used to say, that muslims are so many in numbers, that if we were to spit, the jews will drown in our spit... but we are not united and hence suffering on all fronts.