I would say the positive is that this shows at least some movement with A16s with the new components being made. Hopefully that means everything is in hand to start producing KS units and working through upgrades. While it doesn’t give us any concrete timeline at least it’s a small positive sign.
It could also simply mean what most people here have always known, at least since shipping began, and nothing more: namely, that, only customers willing to shell out total retail price for the A16 seem to attract the immediate interest, attention, and responsiveness of SR. Only such clients are able to get SR's attention, and they even seem to retain that attention until the newly purchased unit has shipped. It seems if you fall into this category, James will drop whatever he is doing at any time, and ready a fresh unit to sell to you instantly, and give you a one-time only SR red carpet treatment. However, another thing we also know, sadly, is that this courtesy does not extend to those owners whose units (whether KS or retail) have already shipped, not even those who are seeking repairs or upgrades, talk less of KS or pre-orders that have not yet shipped in the first place.
It follows that even if they do have everything in hand, shipping out repaired or upgraded units (talk less of KS or pre-order units) may not exactly be the first pre-occupation on their minds at the moment, "due to some reasons,"
I really wish I could share the cautiously optimistic tone conveyed by your post, however, "small" or tentative it might be. Unfortunately, that does not come easy when one has been "bitten" as often as some of us on this site have, by SR.
Note that I am not saying that the shipping will never resume. I am saying that we can believe it only when, and after we've actually seen it happening again, and not before.
Of course this is just my personal take... YMMV