And today, Mr Palmer – leader of the Palmer United Party – went one step further, threatening to sue the News Corp chairman over an article questioning his wealth, qualifications and influence.
You will then need to get a relevant investment or wealth management qualification approved by the Financial Conduct Authority (FCA), such as the investment advice diploma from the Chartered Institute for Securities & Investment.
This much larger group has the combined wealth, the qualifications, the social and cultural capital and, perhaps above all, the electoral influence to dictate much of our government policy, from tax to education.
It made perfect sense that a proponent of the prosperity gospel would offer Trump, a man who has cited his own wealth as a qualification for elected office, a forum to explain himself to African-Americans.
But if there were any doubt among anyone else, Sunday night's performance should have finally put an end to the idea that wealth is a qualification for anyone to weigh in on — never mind have actual authority over — areas in which they have no expertise.
So when Mitt Romney talks about his wealth as a qualification for office, he's expressing an idea that's been in the mainstream of political thought for a very, very long time, an idea with some eminently respectable advocates.
Apprenticeships and school-leaver programmes actually offer young people a wealth of different qualifications and training.
Written into this apprenticeship programme are a wealth of professional qualifications in HR, law and accountancy, which in the past would only have been open to graduates.
Needless to say, wealth is not necessarily a qualification for high office.
"The sad reality is that in campaigns today we are moving down a road where personal wealth is becoming the chief qualification for candidates seeking office," said Senator Mike DeWine, an Ohio Republican who was one of the provision's sponsors.
