The reason why software industry has developed an interest towards this unique methodology is that it has a clear approach towards waste elimination.
Lean is a business methodology used to remove waste and improve quality through a set of tools and techniques; that being said, it is having much success today. One must have a thorough knowledge of Lean processes before forming any opinions.
What do you fear? Fear comes in many forms and fashion. The power of your fears typically comes from sources that are not supported in fact. Legend, folklore and hearsay fuel the fears of people. Fear in the workplace is sourced from those same venues, then fueled by careless and reckless management behaviors.