yasueh
OG
not how Blizzard intends players to use their maps.
How Blizzard intends people to use their maps is demonstrated by the complete lack of effort they make in fixing this kind of problem.
It is an exceedingly trivial matter to put some invisible walls around parts of the map, so that players can't go there.
The fact that you can go there shows that Bliz don't give a damn if you go there.