That, however, does not prevent the flash chips from being removable. Sure you would not be able to access the data, but could replace/upgrade the flash without

That, however, does not prevent the flash chips from being removable. Sure you would not be able to access the data, but could replace/upgrade the flash without throwing away the computer when they fail. In fact that exists in a real T2 product: Mac Pro. You won't be able to replace it with off the shelf NVMe though.