Originally Posted by
merlinextraligh
If you don't (at least on a subconscious level) you can lock into one line that you picked on the entry of the turn and find it difficult to alter your line mid turn, which can be a serious problem.
It seems to me that everyone just does this naturally. The only time I've ever thought about it was to experiment and confirm that countersteering occurs. I don't recall seeing anyone have a problem avoiding obstacles.