I think it's because obfuscated C is not nearly as succinct as the modern array languages. The formula for average in APL is just a few characters. I'm guessing

I think it's because obfuscated C is not nearly as succinct as the modern array languages. The formula for average in APL is just a few characters. I'm guessing the C equivalent would be a lot more and when you try the same for a real application, you'll have a very big overall difference.