Informal tone refers to the informal way of telling or saying anything. Informal language includes slang, broken syntax and various figures of speech. An informal way of writing includes the way of the writing things as it would be said in a conversation. In the given sentences, the first three sentences are written in the formal tone. The last sentence is an example of an informal way of writing. The syntax used in the sentence makes it an informal sentence.
Hamlet is considered a morally ambiguous character, because though he is protecting his mother and avenging his father's murder, he is willing to kill anyone in his path to vengeance. Ophelia's death shows his emotional and human side.
You get to see both sides coming from both of Iqbal's stories. Whether they were both first person of one was 3rd. As long as they are different stories, you will always get a different experience. Whether you learn it by some sort of opinion, or an added fact.