I don't think HN is the target audience for this product. Many of us can roll out our own cheaper solution. This is targeted towards the non tech-savvy managers that want a cheaper video conference solution. The 250 dollar a year fee is tiny for a large company but large enough to prevent home users from adopting it.
Even if their identities aren't as well-hidden as covert espionage informants, that doesn't mean we should broadcast it if they have clearly elected to be quiet about it themselves.