Not only do imaginary borders not really exist, but it's forcing people living within the border called X (e.g., Turkish, British, Singaporean, etc.) while many people have their own language, culture, and way of living; what's even worse is it separates families who live around the borders.
The world isn't made up of Nations but living creatures, running water, and mountains; However, even the maps are purposely made to emphasize nationalism, a classic divide and conquer.