Speaking as a journalist, they're never going to take sides, and you're not going to convince them. What you should do is convince them to look into the correlation between cosponsors of SOPA/PIPA and entertainment industry donations in a comprehensive way.
You could also wonder aloud to them how it is that an issue that doesn't even register on voters' radar got on the legeslative fast track, and who caused that to happen.
What meetup is this? Is it in the bay area?