"It is your job to provide some hard data that you claim is proof that spending $X-million on robotic surgery will bring me more benefits than spending that $X-million on something else."

No - its not the doctors job to prove one funding decision over another one outside his field.  Its his job to innovate and train people in the latest technology and procedures.  Its the highly paid administrators and politicians that have to make these funding decisions.  And its not easy.  And its not as objective as you might believe.  He is making a larger point about this process that you don't understand or don't want to acknowledge.  But innovative docs need to be thinking about such things and helping generate data that will help funding decisions.  We all have to work together.