If your goal is to get the public to take science seriously, what difference does it make if the motives of some of the actors that help you accomplish this goal differ from yours? If your own motives are communitarian, making the world a better place, and theirs are individualistic, making themselves richer, so what? If working together nonetheless gets you farther towards this common goal than you'd otherwise get on your own, why should you refuse to collaborate?
(Note: I'm out West at a conference. I spent this afternoon on a university campus. Time for short reflections only but two things are eminently clear: 1. I'm glad I no longer work at a university, and 2. Far too many academics are well-meaning and thoughtful people, but they are out of touch with reality when it comes to what is required to get things done in the public sphere. More to come ... )