I choose to attend a few different groups weekly - like different vibes and perspectives. Most meetings around here (95%) are open. Anyone may go, alcoholic or not.
Just FYI - here's what I discovered having walked in the door of my own accord; Not that it matters, for there is a common thread!
In the Big Book - under the lash of alcohol we were driven to AA. What it doesn't say is many were driven in a white van (rehab). Some are there due to court orders, this is very common - getting their papers signed each meeting. The majority of members in my group - typically about 25-30 folks went to rehab or came in through the courts to start with. Many remain of their own volition. I have been told by other that only single digit percentage wise walk in without these factors. Don't know that to be true or not.
I will say I really enjoy meetings now and the fellowship - btw, did over 90 meetings in 100 days - of course, not everyone is a messed up as me!
kind regards,
fly