Certainly would make smart sense, on their part.
No doubt some of these women may have been scared by the Woods lawyer threat. Like you say, if the stakes grow, so will the pressure to come forward.
Don’t know much about Woods beyond Jewell, Ramseys and Condit, its highly likely some bigger gun could show up to stand with them.
It is not a smart move for Cain to expect this thing to just evaporate. He better find a GOOD way to resolve it, NOW.