I have worked and latterly volunteered in the Third sector and boards have increasingly become problematic in my limited experience.
Unfortunately it started from the moment that local authorities, copying Ken Livingstone as first London mayor, started funding local grassroots groups.
And group that was legally incorporated as say of co-op / collective, was told they had to have a hierarchy so as to become a charity.
And the problem is that in fact the charity sector was (and probably still is) incredibly old fashioned. ie the assumption that because someone has a professional background, they would automatically become a good employer (a primary function) and (obviously unlikely) understand and protect the aims of the organisation. (This is also how Housing Associations got corrupted.)
At least 3 DV projects in SE of England have had to deal with accusations of racism, and CE had to step down. Just google Refuge and Solace.
In another DV project, staff had to unionise to stop the practice of employing counsellors as self employed so that they were not entitled to sick pay, holidays etc., but were successful.
Mission drift, and I am afraid newer employees and volunteers quite often have no idea of concept and origins of women's projects. So often there is no push back when yet another bright spark joins an MC and wants to flex their muscles and stirs the organisation off in an inappropriate direction.