I suspect that the number of people willing to talk about it hit a critical mass.

That's probably a big part of it yeah.

My guess is that in about 6 month's time, if the current allegations continue to be robust, there will be another batch of public complaints as a few more people find the courage and support to come forward.

Also, Brand is no longer the mainstream chap with the support of the media he once was

I see that. At the most cynical end of this, if his cheeky chappy persona is not making your organisation any money any more why would you exert any influence on people to keep quiet?