Why do none of the habs and orbital stations have windows?

Because of the way that we procedurally build them. So we have what we consider an anchor point, which is our view room. And then from there, everything else is generated based off of there, just because our internal and external object containers for this modular system are built a different way. So we have what we consider these anchor points that unify the internal and external. And obviously when you start talking about habs, if we're talking about, let's say, 100 habs in there, having those 100 anchor points just isn't going to work the way that we want it to work.