The double fork technique is not exactly news, to say the least ... or is the article about techniques to figure out what a unix binary does? If the latter, wh

The double fork technique is not exactly news, to say the least ... or is the article about techniques to figure out what a unix binary does? If the latter, what is the point since the source of every code path is available, down to the libc code? I am not seeing the point of this article.