Dai bando, yes, most Wallabies players and supporters are 'level-headed', (read 'flat-headed'), which comes from being belted by the All Blacks and their 'cocky' supporters for many years!
You may be interested to know that, after her English "in-laws" chose to barrak for Fiji, our Daughter has decided to make Wales her 'second team'!!
Not entirely unexpected, given that my Mother was a Thomas.