With all the distraction and damage caused by Snowden and Greenwald regarding the NSA it would be a real crime (which of course they have already committed) if Cyber Command was so neutered that the Chinese and north Koreans developed superior cyber capabilities that could do signification damage to us. And I think Sasha is right here:
"Over the past four years the North has seriously intensified its cyberwarfare development efforts at South Korea's expense," says Alexandre Mansourov, a visiting scholar at the US-Korea Institute at Johns Hopkins University in Baltimore. "The [Korean People's Army] is basically planning for a future cyberwar and has been hacking to collect intelligence and prepare to disrupt information and communications, surveillance, and reconnaissance systems of its enemies: South Korea, the US, and Japan.
In cyberarms race, North Korea emerging as a power, not a pushover
A Digital Forensic Investigation team entered the Cyber Terror Response Center in Seoul, South Korea in March. The team was responding to a cyberattack linked to North Korea.