Corker insisted that any bill exclude regulation of extortionate "payday lenders," who just happen to be among his biggest campaign contributors.
And he later engaged in a war of words with the publisher of the 13-volume Oxford dictionary over parts of its treatment of the word "Jew," with a definition that referred to old stereotypes of extortionate money-lenders.
Lambeth's borough solicitor advises that there may be provisions contained within the Localism Act to help tackle extortionate money lenders, and it is possible that the transfer of public health responsibilities to the local authority in April may open other avenues.
In 1973, Marcus Shloimovitz, an English Jewish textile merchant, took the Oxford Dictionary to court to force it to stop defining a Jew as "a grasping or extortionate money-lender or usurer". He argued that "the Jewish race includes sages, scholars, judges, scientists and people from the arts and stage.
Money spokeswoman Teresa Fritz said: "We have a positive view of LendersCompared.org.uk because it was set up to enable customers to see how extortionate door step lenders are.
Indeed, Britain has been long accused by debt-advice organisations of being an overly hospitable environment for lenders who charge extortionate rates of interest.
A growing number of alarming tales are also emerging about the black market in banking, the so-called "kerb lenders", who charge extortionate interest rates.
"This case is an example of regulators policing payday lenders charging consumers extortionate rates that can eclipse 300%," Hoopes said.
Wonga, the payday lender that became notorious for its extortionate interest rates and was a toxic symbol of Britain's household debt crisis, has collapsed into administration after it was brought down by a welter of compensation claims.
Loan sharks are illegal money lenders, who hand out cash without a licence and often demand extortionate interest.
That triggered a national debate on the practices of those lenders, and helped lead to reforms such as a cap on extortionate interest rates.
