Yes, Matt. There are a number of us out doing the Caminos, and it's remarkable how quickly the common ground is found with those other hikers - like radar:0)). I'm guessing that you checked the international directory for the meetings in whatever language you need them in - larger cities like Leon have them in English. And if you run into others, you can always suggest doing your own meetings.
Ooops, edit - Matt's Camino was probably done 3 or 4 months ago. Maybe this will help others anyway.
I haven't found being among drinkers problematic over 4 Caminos, but I don't ever sit around in the evenings among others who are drinking beyond that which is a part of the communal evening meal, and always find that there are plenty of chores to be done to stay busy in the evenings, even in the smaller villages. It seems that on the less traveled routes I've been on (Portuguese, Le Puy, Norte, Primitivo), the avid drinking found on the Frances is much less, and I like the solitude and being among more "serious hikers" anyway, so that works out well for me. My guess is that making occasional bonds with other non-drinkers and staying busy seeing sights in towns and doing chores in the evenings will help. You will be in good company.