So over here we have Women in Business events which are aimed at women. Because of issues like what you've faced they can't ban men from them. What they have done is make the branding and everything as girly as possible (I believe Butlers in the Buff were employed on a few occasions) and have all participants in the discussion panels sign a non-disclosure so nothing said there can be repeated or used against anyone outside the event.

Yes, logically it seems stupid to cancel a women's only event because it discriminates against males but idiots will sue for anything these days. Also they can argue that women shouldn't need to exclude males to feel safe (hence this "hurting" feminism)