The Witch consciously chooses to hide and find solitude, and wandering Witches continually try to find places of solitude. Bet she won't even attack when I shoot.OH GOD KILL IT!' It is also through that train that some people have come to hate and fear the Witch as a 'cheap kill' from the infected in Left 4 Dead, but I see it differently.
Many people first encountered the Witch with the same train of thought as me: 'pfft little pussy, crying her eyes out. Even her own kind are fearful of her and those who still walk with life grow ever fearful when they hear her cry. The Witch - Left 4 Dead A broken woman, retaining some semblance of humanity forced to wander in the dark and cry alone because of her predicament.