On the one hand, they're good because they lower the barrier to system development, which could speak to people who would otherwise not think about getting into sys-dev.
On the other hand, it may attract a bunch of people who think it's easier than it really is and we end up with a bunch of bad system code in the future :D
Someone called them childish? Probably also thinks his 3 year old can paint like Pollock. I sure can't draw like that.