At the time only side wanted to leave. That's no longer the case.
You’ve come up with more reasons not to split up the country, by pointing out some ways the other parts of the country might have trouble.
I think (correct me if I’m wrong) you disagree with the partisan jab at the end, not the actual line of argument.
I wasn't thinking carefully enough because I've grown accustomed to such lines of argument being simultaneously partisan and irrelevant.