Quite possible, but unlikely in this case. When you're out of chips, you're out of chips. Sony is struggling with the same thing, they've culled some camera models and are temporarily stopping production on others.Sony fanbois just being salty
The article says 'stock' shipments. I take that to mean pre-orders will trickle in on a first come basis over that period, but don't expect to find one on the shelf for many months. The same will likely be true with the A7-IV and any other newly released body. Canon's R3 is still not listed as in-stock at B&H.
Each manufacturer will dedicate enough chips to say they met their launch date goal, and that will be it.