Perspectives also change when you have to take care of the patient postoperatively. Laparoscopic Roux-en-Y gastric bypasses, endovascular aortic aneurysm repairs, etc. can go home post-op day 1. Patients with open procedures can linger as you deal with pain meds, respiratory issues, possible wound infection, awaiting return of bowel function, fluid shifts, etc. While it's debatable if there are more or less complications with minimally invasive surgery (MIS), there is little doubt that MIS patients go home sooner, have less blood loss, and have less pain. Really, just spend a week on the ward with a few nights on call with patients who had MIS vs. open procedures, and your beeper will tell you the difference. And then spend a week in clinic, offering patients either MIS or open, and see what the customer prefers. Elective open cholecystectomy is virtually extinct for a reason. Cardiology has already significantly cut into CT's business.