This is an attempt to debunk the different conspiracy theories about the MH370 disappearance and explain what really happened to it using radar and satellite data. Do you think the explanation is correct? The piece is very long and you'll have to pay close attention to everything the author says:
I don't understand why you would delve so deeply into a question that we will never be able to prove the answer.
The pilots were Muslim; the passengers largely Chinese. I think the pilots crashed the plane in the ocean as revenge for China's mistreatment of its Muslim minority. I suspect the pilots left a "martyrdom" message on their computers, which was erased by the government to avoid conflict with the Chinese.