it's particularly noteworthy that he's the only president ever with an MBA
Why is having an MBA so important and distinctive as opposed to other higher degrees held by some Presidents? It didn't seem to help him run businesses well, even if he personally profited handsomely?
He's far from the only President to have an Advanced Degree and certainly doesn't hold the highest. According to this site, these Presidents all had Advanced degrees:
John Adams - Master's degree
John Quincy Adams - Master's degree
Woodrow Wilson - Doctoral degree
Bill Clinton - Juris Doctor
George W Bush - Master's degree
Barack Obama - Juris Doctor
It is easier to write an incorrect program than understand a correct one.