Doing it for Oracle because he's a nice guy and I'm a nice guy. In the Wikipedia article you linked, it says that the US and, by extension NATO backs the Turkish side of events, both from seeing the data presented and comparing it to US intelligence of the area. Here is a very short article that says the same thing. As for the plane not responding to the warnings given by Turkish tower operators, it appears that the radio frequency used cannot be picked up by standard equipment that is installed in the plane and needs optional equipment to be able to be monitored. This fact shifts blame from the Russian pilot himself to the Russian government (or whoever it is that decides what gets installed in planes).