This (bolded part) is bullshit! The whole article is fucking bullshit. Except ofcourse for the unbolded part in the excerpt below
http://www.hindustantimes.com/rssfeed/columns/Importance-of-codes/Article1-552804.aspx
It is sometimes argued that religious codes of conduct were devised for simpler and disciplined societies and might not be relevant any more. But that is not true. The truth is that the religious codes are truths realised intuitively by saints or men of God and they guide us in this complex world.