My understanding is that the ram is basically in the Mseries die and therefore can't really be upgraded. The storage is pure malice or marketing pushing for 'thinnest laptop'
> The storage is pure malice or marketing pushing for 'thinnest laptop’
Kinda, the SSD controller is integrated into the M-series SoC so even if the storage were slotted (as it is in the Macs mini, Studio, and Pro) you wouldn’t be able to use an off-the-shelf M.2 SSD since the storage is little more than raw flash on a card for those models.
Sure they could make their own new standard slot or whatever. Tossing out a perfectly good motherboard and cpu to replace some flash is god damned ridiculous.