What is the most common mistake made by consultants?

What is the most common mistake made by consultants?

Common mistakes made by consultants in healthcare are:
  1. The target group is defined too broadly
  2. The efficacy and impact of the care innovation is not described and/or not (scientifically) substantiated
  3. Stakeholders, such as funders and healthcare professionals, are not taken into account
  4. The care innovation is not based on the latest scientific and practical insights