No, just bottle gone in a big way, couldn't happen to a nicer side...
Remember from when we were in Melbourne & Sydney for the 2010-11 Ashes how Ponting was pilloried by the Aussie Press, Smith is going to get crucified over this.
Where does that rank in Australia's biggest defeats by runs in test matches? I can only find the top 5 below:
1 675 runs England Brisbane Exhibition Ground, Brisbane, Australia, 30 November 1928
2 408 runs West Indies Adelaide Oval, Adelaide, Australia, 26 January 1980
3 356 runs Pakistan Zayed Sports City Stadium, Abu Dhabi, United Arab Emirates, 30 October 2014
4 347 runs England Lord's, London, England, 18 July 2013
5 343 runs West Indies Kensington Oval, Bridgetown, Barbados, 19 April 1991