No one should feel attacked, not those with good experiences, not those with bad.
The ones with the bad experiences needed your strength and your support, not how wonderful it was for you when it was pure living hell for them. If you'd think about it you might see what I mean and come back to support them.
That would be best for all involved. I hope you will consider it. They just want to be able to bitch about it, share feelings, and then move on. It's very clear to me.