We operate in a society with black & white moral system. And an avalanche of information is bombarded on us with very little context to draw conclusion from. The following passages in chapter 18 illustrates why the combined product of the two may be disastrous.
65. Then they came upon a servant of Ours, whom We had blessed with mercy from Us, and had taught him knowledge from Our Own.
66. Moses said to him, "May I follow you, so that you may teach me some of the guidance you were taught?"
67. He said, "You will not be able to endure with me.
68. And how will you endure what you have no knowledge of?"
69. He said, "You will find me, God willing, patient; and I will not disobey you in any order of yours."
70. He said, "If you follow me, do not ask me about anything, until I myself make mention of it to you."
71. So they set out. Until, when they had boarded the boat, he holed it. He said, "Did you hole it, to drown its passengers? You have done something awful."
72. He said, "Did I not tell you that you will not be able to endure with me?"
73. He said, "Do not rebuke me for forgetting, and do not make my course difficult for me."
74. Then they set out. Until, when they encountered a boy, he killed him. He said, "Did you kill a pure soul, who killed no one? You have done something terrible."
75. He said, "Did I not tell you that you will not be able to endure with me?"
76. He said, "If I ask you about anything after this, then do not keep company with me. You have received excuses from me."
77. So they set out. Until, when they reached the people of a town, they asked them for food, but they refused to offer them hospitality. There they found a wall about to collapse, and he repaired it. He said, "If you wanted, you could have obtained a payment for it."
78. He said, "This is the parting between you and me. I will tell you the interpretation of what you were unable to endure.
79. As for the boat, it belonged to paupers working at sea. I wanted to damage it because there was a king coming after them seizing every boat by force.
80. As for the boy, his parents were believers, and we feared he would overwhelm them with oppression and disbelief.
81. So we wanted their Lord to replace him with someone better in purity, and closer to mercy.
82. And as for the wall, it belonged to two orphaned boys in the city. Beneath it was a treasure that belonged to them. Their father was a righteous man. Your Lord wanted them to reach their maturity, and then extract their treasure—as a mercy from your Lord. I did not do it of my own accord. This is the interpretation of what you were unable to endure."
Beware of the sources you obtain information, beware of passing judgement and drawing conclusion without enough context.
Peace.