Most "off the record" never continues to be "off the record.
Like it or not, most things in this country are run by white males.
A President cannot call men from all parts of the country during the time between his nomination and his election, seek their advice, their counsel, their service, their cooperation in his personal behalf and in behalf of the party ... and also tell them in the same breath, to see the Secretary of War, the Attorney General and the Postmaster General about a presidential nomination.
He generally speaks about facts, issues, and if he's got a fault in speaking, it's probably that he knows so much about what he's talking about, sometimes he talks over people's heads.
Referring to U.S. Senator, Lloyd Bentsen:
The people expect the President to be on top of everything.
[Warren] Harding didn't like being a Senator; he liked being in the Senate.