"I’m not going to suggest a solution to the problem of men clamming up." If not, then perhaps that's the wrong problem statement, and solutions will become more readily obvious and suggestible when not coached as the problem of men.
That's as candid as I can make it, and I feel that I have to use a throwaway account to do so.
> "If there weren’t both women who made false accusations and an audience eager to hear and magnify such accusations, then the upstanding investors would have nothing to fear about being candid. But, unfortunately, both do exist."