I have no explanation for a southern route.
Just debating your comment that, if it crashed in the Indian Ocean, it would be easily found. I disagree.
So you are arguing from a point without any evidence nor any possible motive. Do you realize how ridiculous you make yourself look?
“They went South because I say it. And because I say it that’s probably the truth!”
Oy vey! Give me a break.
The pilot would hope to bring down the current government that he hates.