The primary reporter that Uber was talking about at that dinner is Sarah Lacey at PandoDaily. Sarah has been very critical of Uber in the past. She also has two very young children and has written a lot about what it's like to start a company and pitch investors while being pregnant and/or having young kids at home.
The obvious implication is that they were going after her kids.
Here's her response, in PandoDaily: http://pando.com/2014/11/17/the-moment-i-learned-just-how-fa...