I think people in customer service are a lot more wary of not displeasing their customers — even more so in hotels with their guests. This fear does expose them to being prone to social engineering. I believe they are trained to quickly move on from the problem to the solution they can provide — makes them trust others easily. I hope they are also trained to not be careless doing that.
@aaronpk this and the airport story from yesterday mostly tells me that Australians aren't as paranoid as Americans.