As a general question, how reliable is Chinese accident investigation and reporting?
If it was a collision with military equipment the publishing part will be challenging and not necessarily overcome without a cover story. But no doubt the reason will be found out and corrective actions taken.
One of the power-pillars of a controlling government, anywhere, is providing (a sense of) security to its own people. Falling aeroplanes are cross with the marketed purpose.
On top of that, as W.C.'s far eastern twin would have said: "Never let a good uproar go to pass without public punishment."