Alternatively, he knew and didn’t care, and got his ass shot out of the sky for it. Good riddance.
No rational person would have ever suspected (assuming he knew that finger belonged to Turkey) that anyone would be shot down for overflying that 2 mile wide stretch.
It is obvious that that little finger of land was used as a Chip on Erdogan's shoulder.
Even our own Generals are saying that was a way overreaction to an incredibly minor provocation, if indeed it was even a deliberate provocation at all. But then they are more rational than you seem to be.