Sure, I get that. There are many out there that aren't, though, and I definitely encourage you to keep digging to look for clubs and groups near you that more closely align to the kind of social environment you're looking to engage in -- it's worth the effort, in my opinion. I think you'll be surprised by what you find!

If the history of an organization(and not it's current goals and practices) is going to be prevent you for being able to join, then life must be very difficult.