Seems to me that a decision about whether to offer a car in the US (or anywhere else) is a straightforward calculation of how many will they sell versus the cost of adding its support and parts requirements into the existing distributor and dealer system. An advantage of the MEB system is that the dealer techs don't need much training if the car is pretty similar to an existing model. But when thinking about adding a car, they have to take into account the need for warehouses full of body panels and seat covers and headlight assemblies and all the other parts. That is a substantial investment, one imagines, and one that Tesla, for example, (to pick on them as usual) does not seem to have covered.
That's why I think there is a good chance of getting both long and short wheelbase Buzzes in the US: adding the short wheelbase version involves a minimal increment in parts and training. The situation for the ID. 2all on the other hand, is not so clear. If you ask me. The body would be unique in the US. Maybe even the FWD mechanical parts.
I think the conventional rule is that you need to sell around 100,000 units of a model to make the support investment worthwhile. Could they sell 100,000 ID. 2all cars?
(I suppose everybody has picked up the "ID to all" message in the name, right?