Its rationale? To accommodate in-fill spec housing.
A sign of the times perhaps. But it seems not only does the council continue to shoe-horn non-natives into the soil (let's not forget the ubiquitous Chinese windmill palms and melia trees across the city), it's ridding the region of the few indigenous specimens that remain.
Author and botanist Philip Simpson estimates the tree was about 60 years old. Not ancient as an individual, but timeless in this country as a species.
It's negligence at worst, ignorance at best.
Like certain cities in the UK disillusioned with their local authorities' bumbling guardianship of flora, a citizen-based guerilla gardening phenomenon can't be far away.
Perhaps we're too bogged down in the heavyweight bouts of amalgamation, elections, fracking and water storage, to reflect on what constitutes a region's sanctity.
To excise this tree was to excise an urban icon.