Naza is being hailed as the definitive film on Gaza. Palestinian doctors have been showing us the same truth for three years. The question is why we only listen now.

Would anyone be calling it a masterpiece if a Palestinian had made it?

Daniele Rugo and I were asking each other that as we walked out of a screening of Naza at the Zurich Film Festival. Daniele’s own film, Life Support, which my organisation, Health Workers 4 Palestine, is proud to have backed as associate producer, was having its international premiere there. Between us, we had watched Palestinian doctors, nurses and journalists document the destruction of Gaza in real time for three years, many of them at the cost of their lives. Neither of us could remember their work being received like this.

Since its premiere in Venice, Naza has been greeted as a reckoning. Critics have called it essential, devastating, the new authority on what Israel has done in Gaza. Its directors, Yuval Abraham and Rachel Szor, made the Oscar-winning No Other Land with their Palestinian colleagues Basel Adra and Hamdan Ballal. Their new film, produced with the Guardian and Jonathan Glazer, sits 24 anonymous former Israeli soldiers and intelligence officers on Tel Aviv rooftops at night and lets them explain, calmly and in detail, how they carried out the slaughter of Palestinians.

READ Life Support: doctors in Gaza bear witness to genocide

It is an important document, and it took courage to make. But our question would not go away. Had a Palestinian filmmaker brought us the same truth from the other end of the rifle, would it have premiered in Venice, been co-produced by a national newspaper, and been talked about for the Oscars? We both suspected we knew the answer.

The title is a Hebrew military........

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