It's not an automatic process. One of the admin goes in an manually approves each member, and it sometimes takes a little time.
It could be set to be automatic, but when we've tried that in the past we've gotten a LOT more trouble from PETA types etc down the road.
"Government is not a solution to our problem, government is the problem." Ronald Reagan.
"Americans have the right and advantage of being armed-unlike the citizens of other countries whose governments are afraid to trust the people with arms." James Madison