Are the Leaks the Real Scandal?

The liberal media have jumped on the resignation of Michael Flynn, proclaiming it to be part of a scandal that will bring down President Trump. However, many observers have warned that the real scandal is the leaks that were used to bring down Flynn. They warn that all Americans are at risk if government officials can use what is supposed to be secret information (e.g. tax returns, phone records) to strike at anyone they wish to harm. Who is right?