1. There are way too many metrics
2. All metrics are not created equal.
3. Some metrics tell you only about  the past
4. Some metrics can give a false sense of causality
5. Some metrics can give a false sense of achievement
6. Some metrics are based on the wrong benchmarks
7. Metrics never give any advice
8. Metrics can be gamed
9. Some metrics waste too much time in gathering
10. Most metrics are focused on the company’s performance and not on the customer’s reality*
*even the ones that attempt to measure customer satisfaction can be suspect