I'll have to say that originally I thought this relapse policy too strict and almost cold. It almost makes one feel that if they relapse, what's the use of trying to quit again? Where will the support come from?
As I have gone further into my quit and have seen some discussion of other support groups with more lenient relapse policies I have been tempted to check them out. I haven't because, bottom line, I am afraid that in face of a real hard time someone will inadvertantly support a relapse. In other words, I have grown to understand the need for the "tough love" approach to this support group. Relapse is not OK. Besides, you are not turning them out completely, they can still benefit quite a bit from lurking (I did for about a month).
For what it's worth, I support the policy.