How is this a good explanation for Hillary's email malfeasance?
Earlier this month, three Democratic senators obtained a letter from the State Department suggesting that reports about 2,100 classified emails were found in Clinton's account may have exaggerated the import of that claim. A top State official suggested there was nothing wrong with Clinton handling about 2,000 of those messages in unclassified channels because they were only classified in order to prevent the release of those messages to the public following FOIA requests.
To the best of my knowledge, a desire to avoid compliance with an FOIA request is not a justification for classifying information.