Mailing the story:

The reasoning given by Google is that the CyanogenMod Installer violates the Google Play Store's developer terms by actively encouraging Android users to "void [the] warranty" on their devices. As our Android expert Ron Amadeo noted, the CyanogenMod Installer is mostly a "one-way street," without a quick way to return the device to its stock state—it's certainly possible, but not with the same level of ease.