The absence of such techniques is usually due to prioritization rather than ignorance. Most of the time the challenge is just the sheer complexity of basic decisionmaking. The author of this article did a frame-by-frame breakdown of unit attack animation timings, but "should I fight or run" is by itself still an interesting and important question.

The #1 bot as I write this, Iron Bot, has Vulture micro that is in many ways better than any pro, by using frame-perfect patrol kiting.