After several games on it, I think i've come to my own personal consensus and that it's just a badly designed map. It is pretty much the opposite of Haven, where instead of Defenders having rotation advantage, it's the attackers, and that's...

So the gist is that you can see enemies on the minimal through harbors bubble. Doing this is pretty simple. All you need to do is break the bubble. When the shield goes down, but the smoke is still up, the game seems to assume the smoke is...