CyanogenMod team cashes upon the open source Jelly Bean

It has just been few days since Android Jelly Bean was made open source and soon after that CyanogenMod team has come up with their own flavor of Jelly Bean of a early CM10 Rom. The build works on LG Optimus 4X HD. Ricardo Cerquiera has posted a video of this early build and mentioned that it will keep evolving.. Check out the video here



Given the short span of time when Jelly Bean was made open source, isn't this development too quick?