Discretion and secrecy are related but not interchangible concepts. Is this author really suggesting discretion be non-existent? That opportunistic manipulation

Discretion and secrecy are related but not interchangible concepts. Is this author really suggesting discretion be non-existent? That opportunistic manipulation has never occurred? The need for NDAs has never once made sense? What it is disporportionately valuable to you, is more costly to you, once taken away, too.