‘Senior doctors may actively oppose or denigrate methods which are safer and/or more successful — not just for themselves but for their learners and the system as a whole too — in part because the innovation makes their own deft skill with the old tools less important.’ – Dr Robert Farrell.
A disturbing (but very natural) ego-protective attitude occurs where staff reject innovations that make their carefully-honed skills less relevant.
If you are a wizard at landmark-based central lines, do you embrace ultrasound? If you have honed your skills with a direct laryngoscope with hundreds or thousands of intubations, how do you feel about a device allowing direct and video laryngoscopy? (see here)