Ghanti Bajao: Why does not Bollywood support actresses SPEAKING UP against crime

Bollywood expresses itself as an industry which is modern and outgoing. But the dark realities are being brought forward by the actresses. First it was Tanushree Dutta who revealed how Nana Patekar harassed her, then Kangana Ranaut told how her director used to hug her tightly on sets of Queen. But none of the big names in Bollywood are speaking up for these women. All of them are escaping media or keeping mum. The question is WHY?