

No. A new node comes out in several years. At least 2-3 years and it is increasing because decreasing the node size is getting exponentially more difficult. So next node will probably only be out in 4-5 years now.
While all the chip designers will be all out with their products on this new node within a few months. Apple was only the first because they paid extra for Tsmc to be first.
The answer to all your questions most likely is that it’s just an ai slop.