I think this is mostly a technical requirement related to signing authority (e.g. for lots of things you need to be an officer). Of course, the VP being the th

I think this is mostly a technical requirement related to signing authority (e.g. for lots of things you need to be an officer). Of course, the VP being the threshold target role for this is a choice, but it seems to be useful in contexts like banks to have some sort of dividing line.