They don't have a "macOS Lite", and if these were running anything less than full macOS, you can be sure Apple would be positioning them as a new product (or part of the iPad line) rather than as a Mac.

And maybe, just maybe, that fact, once it becomes clear, will make at least a few of the people who assume that Apple desperately wants to lock down macOS realise that that's bullshit and always has been...