From my experience and observations, my concern is weak understanding that the Evidence-Based Management (EBM) framework is empirical. It requires transparency, frequent inspection, and adaptation. Some organizations proceed with the initial evaluation and then drop the idea. Measuring once and making some decisions is not enough! No promises that this would work.
Measuring often, regularly, making decisions, adapting frequently towards a meaningful goal. This is the secret ingredient of the powerful framework. Like Scrum, EBM is simple to understand, difficult to master. Once you experience it, implement it in your organization, you should see significant results.