That means denying reality.

A common German problem.
Op-ed on Bärbel Bas: That’s a denial of reality, Minister!
“No foreigners are exploiting our social welfare systems,” claims Labor Minister and SPD Chairwoman Bärbel Bas. Our Labor Minister. The woman who should know the facts and figures better than anyone. I wonder: What country does Ms. Bas live in?
Nearly half of all welfare recipients in Germany are foreigners.