I differ on that point as I am aware of some lgbt pavees that are in a content co-existence with their family. Issues however are still in play (hence the need for the this group and the strength in commonality that it brings) but it is thankfully not a stead fast rule for coming out.
I think like the larger community, we must all prepare for the worst and plan for the best as anything less and we may fulfil a pre-planned prophesy of rejection. It's not always easy coming out but each person and situation is unique, and within that understanding the possibilities and probabilities are also unique.
Regardless of sexuality or the wide spectrum of orientation, peoples families and loved one's remain important to them. Sadly there are incidents where fear, discrimination and under education can lead to people to being either asked to leave or leaving for there own sense of self – something which I'm sure your relieved to hear is changing.
What does everyone else think?
Hanu