That’s true but the person that wrote this article definitely knows about that.
What is happening in Australia is that Councils are becoming very risk-averse and planting small trees only, usually within the range of 5-8m high (16-26ft). While he writes about a lot of things, I guess he is trying to make it easy on the general public and Councils to decide that maybe some big trees aren’t all bad and scary. Spotteds are quite iconic so if people are made familiar and comfortable maybe they may get used more in urban settings.