Was Flame virus written by cyberwarriors or gamers?

Was Flame virus written by cyberwarriors or gamers? ;..   super-secret spy software be written in a video game language?  As security researchers continue to unpack the digital mystery that is the Flame virus, that's just one question looming over perhaps the world's most intriguing digital whodunit.

With all the talk about Flame being the most powerful, ingenious and stealthy computer virus ever written, some properties of the mysterious malicious software are causing confusion.

For one thing, the program takes up 20 megabytes of space on infected machines. That's not stealthy; large files usually indicate sloppy programming.