All you have done is whisked over the Bible, comes up with an irrational reason without thought I think you are just going along with silly reasons of atheists who really don't understand the Bible at all.
Tuffdisc, actually there have been many statements made by John in this thread that are irrational when it comes to reasoning as well. This is something many should be able to relate to.
But you justify and worship a god who allows it. How much sense does that make?
For someone who will only accept something based on facts John really contradicts himself here. It has not been proven that I worship the god John mentions. How can he believe such a thing without proof? He must be accustomed to operating in this way. Only applying his reasoning based on facts when it is convenient for him.
The god you choose to believe in and worship created evil and allows it to flourish when he, in his almightyness could easily stop it.
Here John makes the statement that God created evil. His logic is since God is the creator of all things then He must have created evil. I don't think that is a very logical statement even when compared to some basic things we know about the world around us. Look at these examples:
Is there such thing as heat? Yes. Heat exists. Why? Because things get hotter by adding more heat. There is virtually no limit to how hot something can get.
Is there such thing as cold? No. You can only create cold by removing heat and there is a limit to cold: Absolute zero or -273 degrees C. You can't add more cold and get colder than absolute zero, therefore, cold doesn't exist. Cold is only a word we use to describe the absence of heat. If cold doesn't exist then it can't be created.
Is there such thing as darkness? No. There is darkness when there is no light. You can't make dark any darker you can only remove light.
Is there such thing as light? Yes. Light exists therefore light can be created.
My point is John's method of reasoning is flawed to start with and so his conclusion must be wrong. He is only using the idea of duality to back himself up like life and death or a good God and a bad God. But as you can see it doesn't work when applied to the world around us.
Take life and death for example. Can death exist on its own? No. Without life there is no death. So death isn't the opposite of life. Death is only to absence of life.
Take a look around you. Is there immorality in the world? Yes. Is there such thing as immorality? No,only the absence of morality. Is there injustice? No,only the absence of justice
Tell me doom - why exactly is evil necessary to an omnipotent deity?
So, if there is evil in the world, and it seems we agree there is, and God exists he must be accomplishing something through the agency of evil. From what the bible says it is to see if each of us will by our own free will, choose good over evil.
Here is a brief run through in case you missed anything. John's argument is that since God created everything then He(God) is responsible for creating evil. But "evil" is a word we use to describe certain things that happen to us,most of which are caused by other people. In reality,evil is not a physically created thing at all and does not fall within the realm of something created by God. John's argument has fundamental flaws. Evil is allowed by God so free will beings can choose between good(God) or evil(absence of God). Without evil it isn't possible to make the choice and the universe would have no purpose.