Women (in general) do not object to closed men's clubs where the club isnothing to do with social and professional advancement. [...]
Then "Women (in general)" are accepting sexism.
I accept a small charge of sexism in the mentoring opportunity that grrls-only provides, but do not see that as significant [...]
I disagree on the significance. Finding good mentors is difficult. debian is one of the few groups with an established way to do so, which is part of the reason I got involved with it.
Nevertheless, I hope your clarification is enough to stop people flaming me so much when I use linuxchix as an example of a sexist group.
-- MJR/slef My Opinion Only and not of any group I know