It was unlisted because you didn’t search very well before asking. This information is publicly known and advertised, and your post just didn’t offer very much of anything to anyone but yourself.
In fact, in the very first announcement of the Nucleus:
Also:
In fact, in this post, I clearly lay out the alternative of free ROCK + NUC as a lower cost solution to Nucleus:
To think this is protectionism is ridiculous. Why would we give ROCK for free if we were protecting against Nucleus? In fact, in that last post i clearly state that NUC + ROCK is “cheap” and Nucleus is “not cheap”. Also the last paragraph says:
If you need low cost, you can’t beat NUC + ROCK. If you need turn-key, we have Nucleus/Nucleus+ for you. There is no snake-oil. As for quality of product, Nucleus and NUC + ROCK are very similar to each other, using the same basis of operating system and hardware. Why? Because we don’t think there much better options for most people.
You have only half the story in your head and are jumping to incorrect conclusions. There is no conspiracy here, nor is there any protectionism.