They recovered the DFDR and CVR, read the data, but there is still no final report. And from what has been presented in the preliminary report more than one year ago/30 days after the crash I don't see a "clear intention to crash the jet".
Most pilot suicide claims are controversial and the corresponding countries are not really known for best aviation standards, administrative work and information policy.
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The A320 has no control columns. It has side sticks.
I don't believe the report of the NYT. It's too early to make such conclusions. And it also doesn't make sense at all. "Hey, my first officer is taking a leak. Perfect moment to lock the door, commence a descent and finally end it all right now and right here."
Bullsh...
German pilots are not only well trained, but are very descent persons (by selection) who love their job and their life. It's like a buddy, a person you would trust immediately when you see him/her and talk to him/her. Standards in Germany a rather high. Especially in case of Lufthansa and its partners. They have certain criteria. It's not just "we need pilots so we just chose everyone who has a valid licence" (some small airlines in certain other countries of the globe do so...).
Examples for what I mean (with subtitles)...
https://www.youtube.com/watch?v=TFPEVu4eAsg
https://www.youtube.com/watch?v=PpUcPRD9LBc
https://www.youtube.com/watch?v=oi8Bx34fFlM
https://www.youtube.com/watch?v=fmhol3LmYvw