Secrecy implies proprietorship, which equals exclusivness of use.
Of course I am speaking profits. Freedom of information and a free flow of knowledge have not come off well when greed enters the picture. Those interested in knowledge per se are, I hope, equally adept at speaking out for freedom of information. According to a the psychiatrist M. Scott Peck, evil is exemplified by a desire to control. Control of knowledge, I feel, is an evil.