To my knowledge, CDC provides a solution to the following 2 pain points. Would love to hear more:

1. Replication: Imagine you have 5 different analytical environments. Do you backup & restore to each destination, essentially re-writing 10TB of data, when only 2MB worth of data changed? You'd be surprised how many organizations still do this.

2. System Triggering: How can you inform a downstream system an event occurred? There are many mechanisms to do so, and they vary in complexity, but given the requirements are simple (if a row in the DB changes, let's tag this change as an event and just pass it to all the downstream systems that need to know this)