This was just posted on the Go SF meetup group. There is nothing about the Go meetup which discourages someone from attending. Subgroups based on gender or ethnicity only serve to encourage segregation and thus do more harm than good.
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http://www.meetup.com/Women-Who-Go/
I have been going to GoSF meetups for about 2 years now. When the events were small (~50 people), I was usually the only female. Now the events are larger (~250 people), and I am often still the only female. This makes me sad.
I am hoping that this group will provide a better entry point for women who are interested in Go. I am also hoping (selfishly) that this group will help to increase the general estrogen level in the San Francisco Go community.
In sum, this group is for you if:
1. You identify as female, publicly or privately
2. You have some interest in Go
Even if you don't believe in specific benefits for minorities, I'm sure you can accept that a simply smaller group may be more welcoming, especially to new people.
The real question is, why do you feel it necessary to police what other people do? If this was a beginner's group, or an East Bay Group, would you have a big issue with it? If not, you probably want to check your privilege.
It sounds like .4 percent of the SF Go meetup is female, one person. That is kinda sad, and it seems to me working to try to improve the community by explicitly seeking to foster additional interest in Go is exactly the sort of thing that should be applauded.
This group has 12 people interested, which sounds like 11 more than would have showed up at GoSF.