Sometimes computer manufacturers do stupid things when they were short supply of parts for a production run. Rather than install two 128 GB nan SSD's, install only one 256 GB nan SSD and save money. Then there the question about would most consumers even notice it.Is already happening, hence the single nand SSD's on the M2 Mac's. Apple will happily throw the customer under the bus way before it's profits & margins.
Q-6
At least the YouTube and Mac Rumors parties immediately cry foul.