As somebody who was top ~2% in Starcraft I got heavily triggered until this part

>The key insight from Starcraft is that you need to be constantly testing and adjusting your hypothesis by scouting your opponent, all while continually executing whatever the best strategy you know of at any given point in time.

This is one of actually a good description of what is to be (in part) learned from Starcraft. However the level to which you can opt to commit to your idea without accurate information is larger than most people can suspect, and a lot of work goes into making the unwanted adjustments seem a non-issue.