and the only thing I have ever personally seen happen is that every time, more people I like leave.
And of course, every exodus has led people to a different place, so now SO MANY of the people I used to talk to are gone, and I can't manage to find them all or keep up.
I know- any one could be THE one.
But, so far, LJ has never actually screwed me, but the "leave LJ NOW!" scares have......