This is one of those articles that feels both completely obvious and useless at the same time. Surely if you want to implement a system, that's a goal?
Goals help because they are a way of saying "I will do this by then", and you can measure your progress. Systems help because they keep you going after you've reached the goal. The hard part is knowing the difference, and then actually doing whatever you need to do to reach the goal or implement the system.