The PRIMARY goal when conducting post-incident reviews is to identify:

The core objective of a post-incident review (PIR) is to identify gaps and weaknesses in the response process. This includes missteps, delays, communication failures, or policy limitations — all of which provide insight to improve future incident handling.

"Post-incident reviews focus on identifying root causes and areas for improvement to enhance the organization’s preparedness for future incidents.”

— CISM Review Manual 15th Edition, Chapter 4: Post-Incident Activities*

Though training, reporting, and budgeting may follow, they are secondary outcomes of this process.