As the article mentions, this is not even the first BBC documentary on Palestine that the BBC have pulled from their service after public pressure this year. They pulled one about kids in Palestine in February - after complaints from all the usual Zionist warhawks, including J.K. Rowling.

https://www.bbc.com/news/articles/c3374xm65mvo

The BBC have also pulled documentaries over less - merely “possibly upsetting conservative viewers with truth” is enough. Their leadership are spineless.

https://www.theguardian.com/media/2023/mar/10/david-attenborough-bbc-wild-isles-episode-rightwing-backlash-fears

I’m guessing it’s witheld from publication because they are explicit US tech (eg Predator drones) that has been used to strike whole apartment buildings just to take out (possibly, if the intel is even correct) one scientist. Would look really bad when the US is still pretending they’re not really part of the conflict.