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Economists Unclear on the Meaning of "Political"

Alex Tabarrok:

Marginal Revolution: Independent Central Banks and Inflation: A number of prominent economists have signed a petition calling for Congress and the Executive Branch to reaffirm their support for and defend the independence of the Federal Reserve System."... [T]he petition says that central bank decisions should not be "politicized."...  Why are more independent central banks better at fighting inflation than less independent central banks? There is nothing magical about independence that makes for low-inflation. Suppose we pick someone at random and give them complete power over monetary policy. Such a central banker would be very independent but I wouldn't count on this policy resulting in much in the way of systematically lower inflation.

The primary reason that independent central banks are better at controlling inflation is that absent direct political control the default selection mechanism favors bankers, i.e. lenders, people whose interests make them more favorable towards lower inflation. Thus, independence is a political decision that favors lenders in the decisions of monetary policy.  Now, depending on the alternatives, there may be good reasons for making this choice but we should not fool ourselves into thinking that we have depoliticized money.  We should not be surprised, for example, that "independent" central banks tend to make lender of last resort decisions that protect banks and bankers...