Yes it's very telling. There's a certain degree of situational narcissism that goes with the white colonial experience in old Africa (of course you feel superior when you've got an entire race to look down upon and order around) but "bwana" plates in Brisbane in 2012 indicate a pathological attachment to that. It also goes some way to explaining the strange (to us) behaviour in front of media who are just seen as irritating inferior beings ("oh the little people are looking at us - let's give them a show darling!").
As for his work, he's listed as a real estate agent on the 21C website.
http://web.archive.org/web/20080718224602/http://century21.com.au/westside/agenthome.htm
The text there makes for interesting analysis (with of course the obligatory mention of Grandad Bob - the real BP family must be cursing this lot right now):
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Qualified Real Estate Sales Person
Community Development Educator in Rhodesia. Avid Big Game Hunter and Conservationist. Marriage enhancement facilitator. Financial Planner. Father of three and Grandfather of six.
Nigel Baden-Clays personal history reads like a list of people youd like to invite to your next dinner party, but incredibly it is simply the compilation of one incredible life so far. That it has ultimately led to a role as financial director of Century 21s most successful Brisbane office is in many ways not surprising: completion and perfection are hallmarks of the Baden name ... as exemplified by Nigels grandfather, Baden-Powell, founder of the international Scout movement.
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