It was meant to be the biggest ASX listing since the privatisation of Telstra, but last week the initial public offering for Firmus was dramatically pulled before a single share was traded. The co-founder of the AI startup, Oliver Curtis has since lashed out - blaming Australians for failing to support people prepared to take a risk.    Today, columnist at the Australian Financial Review Mark Di Stefano on whether he could be right or if it's an early sign of a bursting AI bubble.   Featured:  Mark Di Stefano, Australian Financial Review columnist