If everything has a purpose then evil doesn't exist

[BrianSoddingBoru4]

In Islam, God is the creator of good and evil, both serve the same purpose of "shaping the exam of life":

Sura 67, The Quran:
https://quran.com/67?startingVerse=2

(2) Who created death and life to test you as to which of you is best in deeds, and He is the All-Mighty, the Most Forgiving.

Kids die with Cancer to create the test condition:

1-Either we rebel and become evil in response
2-Or we become better people and use this painful experience to do good deeds

Let me give you an example with 2 different people, let's call them X and Y, both had a son who died from cancer.

X became evil after the experience so he joined a drug gang and went on a rampage of evil deeds.
Y became depressed, but decided to open a philanthropy business to help other kids with chronic and fatal illnesses.

You see? God just created such scenario.
Measure on all bad things that happen in this life, they have a purpose.

In conclusion; God is not a human or even a creature like he is portrayed by many wrong faiths. He is a god, he created both evil and good, life and death, fire and water, up and down.

Why does there have to be a test condition at all? God already knows who is going on a drug rampage and who is going to become a philanthropist. What is the point of killing children with cancer when the outcome is already known? 

Applauding the slow, painful death of children as an opportunity for their parents to serve God makes you a monster. You need to know this.

Boru