I really don't need to explain it, especially since you seem to only be here for cause a fight rather than take the piece for what it is and was. A sketch, based off of a play on words that the artist (myself) found amusing.
Why did I design a dead baby with the slogan "Stillborn to Rock"? Because the play on words was funny to me. Does everyone agree with my sense of humor? No. Is it my concern? No. I draw what I want and if someone can connect on any level with it, then it is a bonus.
But if it bothers you this much, please stop coming to my page and you won't have to see it anymore.