HN is one website with a very small audience of people who understand how it fits into the broader internet. A FB group is what a much, much larger set of less

HN is one website with a very small audience of people who understand how it fits into the broader internet. A FB group is what a much, much larger set of less experienced users have been taught is "how you communicate with your tribe". That's not only very different but chillingly scary, IMO