In this case the boundaries aren't artificial, they're historic.
They can be both, actually.
The world will move to laws which are unified (or at least close enough) and allow day and date releases and true international markets but it's unrealistic to expect it to happen overnight.
Sorry, should have been clearer - they may be artificial but these are historic boundaries which while they may support (in some ways) certain business interests, are not there because of them and in almost all cases pre-date those interests by a considerable period.
They can be both, actually.
The world will move to laws which are unified (or at least close enough) and allow day and date releases and true international markets but it's unrealistic to expect it to happen overnight.
I hope you're right about this.