A PR person of my acquaintance (male, starting to get it) observed yesterday that given the choice between 20 small pissed off groups and one large, well-funded one, he'd always choose to deal with the scattered groups.
Also that husbands and partners standing outside women's events as a protective cordon would be practically and symbolically useful.
Got me thinking - we have lots of grassroots groups who are important and specialist, and a couple of larger groups, but maybe we need to affiliate formally and speak with a single, louder voice?