Typical German arrogance
Instead of blaming others, do apologize and make sure, it will never happen again.
It could be assumed there might be the same difference in other aspects of procedures between the two operators.
My, what an axe you have to grind with Germany and Lufthansa, Ptkay
Topped up with an ever so slightly contradictory statement:
They shouldn't start blaming others for their own clear cock-up.
Let's wait for the preliminary report of the Polish AAIB (PKBWL) to have all the relevant facts.