I think your argument is wrongheaded. People want cars to get them from A to B, that is all. Some people pay more for bigger cars because they have families, wa

I think your argument is wrongheaded. People want cars to get them from A to B, that is all. Some people pay more for bigger cars because they have families, want presteige etc. Modular cars is so far down the list of things that people want/need. Even software is often hard to make modular, things in the physical world... even harder.