I have seen stuff on TV and in the news about them. About how they send people to boot camps to do manual labor if they aren't good enough. I heard they have cruises where bigwigs get star treatment while the backsliders are also aboard and do the scut work. I dont know if this is true though.
If I wanted to be in a religion founded by a sci-fi novelist I think I'd rather have Ray Bradbury or Heinlein. Anybody but L Ron Hubbord.