Iago is one of the most complex and memorable characters in William Shakespeare's tragedy "Othello." As the play's main antagonist, he orchestrates a complex web of lies and manipulations that ultimately lead to the downfall of the protagonist Othello, his own commander and friend. Despite his many crimes, however, Iago does not die in the play. Instead, he is taken into custody by the authorities and is set to be punished for his misdeeds.
Some critics argue that Iago's punishment is not harsh enough, given the extent of his deception and manipulation throughout the play. However, others argue that his survival until the end of the play is in itself a kind of punishment, as he is forced to confront the consequences of his actions and face the shame and guilt that come with them. In this sense, the fact that Iago does not die can be seen as a form of poetic justice, as he is forced to suffer the consequences of his actions in a way that is arguably worse than death.
In many ways, Iago's survival also underscores the complexity and nuance of his character. Although he is undeniably a villain, his motivations and actions are not easily reduced to simple greed or malice. Instead, Iago is a deeply flawed and multifaceted character, driven by a mix of jealousy, ambition, and resentment. By leaving him alive at the end of the play, Shakespeare invites us to continue to grapple with the complex psychology of this fascinating and enigmatic character.