Crestview Advisors LLC exploited its control over WideOpenWest Inc. to take the cable and fiber company private for a steal, according to an unsealed lawsuit challenging the $1.5 billion transaction. Two hedge funds are suing Crestview in Delaware’s Chancery Court, saying the private equity firm and its allies on the inside teamed up with DigitalBridge Investments LLC to back WOW into a corner and force out public investors for a paltry $5.20 per share.