There's a host of reasons Duv can think of for them to be here in a full equipped Cetagandan lab and base. He too chooses not to focus on these thoughts. At least not while he's in the heart of it all.

As for the question about Barrayarans, he shrugs. If he's to maintain much ignorance with their 'hosts,' he has to take care with what he shares.

"We don't have many dealings with them. I haven't met one in person."