Are other dealers markedly better in Australia? Here in the U.S. bad service isn't decided by manufacturer. 20 years ago when I bought my Montero Sport I walked into the local dealer, talked to them for maybe 5 minutes and walked right out the door. I then drove to a dealer an hour away who ended up getting my business. When my local Mitsubishi dealer was sold to a big auto group around 2010, it was the same staff, but a completely different, much improved attitude. I bought my Outlander and Lancer Sportback from them. The day I went to look at the Eclipse Cross, they were literally scraping the dealer name off the door when we pulled up. It was move-in day for the Mitsubishi dealer from Philadelphia who had just bought the franchise. While they weren't technically open for business, they broke their backs helping me find what I wanted ... and I was their first customer!
Point being, change the name from Mitsubishi to Honda, Toyota, Mazda, Ford, Chevy, BMW, Mercedes, Range Rover ... and you'll find good and bad dealerships in the U.S.