It was ethically and morally inexcusable for the fire department to sit idly by. The fire department created a greater risk of loss to nearby properties by failing to act until after the fire had spread to the nearby property.
And that’s from this (my) Jewish perspective (you know - the Judeo part of Judeo-Christian). But note too that the Judeo is appended to give cover to something that really isn’t part of the Jewish or Christian tradition or ignores a wide swatch of Jewish and Christian traditions - helping thy fellow man in a time of need; charity; etc.