Maybe you were not discussed or cussed!
But, if you and they were comfortable with each other then there is a fit!
Now the problems seems to be that maybe they are not aware that your are not a member but looking for AI! How do they feel about AI and do they understand what it really is?
Maybe the next attendence, you single out a few and talk to them explaining who you are, what and why you are doing what you are doing and, what you feel you might be able to do being a AI member.