Maybe because "private" in English can also mean non-publicly-owned, ie in private hands. This facility could easily be a publicly-owned and yet not open to the public. English is weird.

Then it's simply restricted.

How about "stinky", if the goal is to discourage corpse tourism while being technically accurate and honest.

Why is everyone arguing about the semantics here? Why don't we just start a zoom call with the author and complain together?

What’s your address?