Once it had happened biggest mistake causing a ramp up of weapons in the area (russian ground to air missiles and the missile ship offshore) was made by Nato they shd have publicly told Turkey
A) if you are the aggressor article 5 does not apply
B) stop supplying ISIS with arms & people.
They haven't and the area is now even more fraught with danger, although I not Turkey now not flying over Syria (so no bombing of kurds or assad forces), so perhaps something good has come from it.