I disagree this was "obvious."
If the 16 inch is announced in October and shipped in November, Apple will have gone two full years without updating their highest end laptop. That's insane. 2 years! When is the last time they went two full years without updating a laptop?
Plus various leaks over the past few weeks and months and the fact they have absolutely released new hardware at WWDC.
Again, not "obvious" they weren't going to release anything.
My guess is the M1X/M2 is not ready yet due to the foundry shortages.