Actually there are good one's and bad one's like everybody else. The real difference is that it's been an amazing opportunity to shaft small builders big time. Something that might be overdue in some instances but generally was not necessary and hasn't helped the economy overall by forcing thousands of skilled and semi skilled home grown workers onto the dole.
A lot of Irish Brickies do tend to be shite, they always were, that's why pebble dashing was so popular. But I find this sort of knee jerk prejudice disturbing, Aussies are just a bunch of Cockney cunts gone queer in the sun.