Its not about dominating its the constant competition. Growth and power makes it easier to grow more and become more powerful. If you stay in your lane you limit how you can grow and then the guy who didnt stay in their lane has grown bigger and can now influence and push you around.
You could have an equal balance of power but both sides would still be competing to match each other and it could be upset at any moment.
You could have an equal balance of power but both sides would still be competing to match each other and it could be upset at any moment.