Referring to the Scale-Cube, for further scaling on Z-axis, Event Sourcing/CQRS brings Eventual Consistency which means a shift from ACID to BASE.
We apply this dimension, benefiting from klunge.io which is our production-grade Open Source ES/CQRS engine.
Enabling Eventual Consistency of your architecture creates a wider opportunity to scale without heavily investing in infrastructure.
CRUD resources no longer exist once you are in your transition to Event-based Microservices-driven architectures. The existing habits are changing, but teams may tend to continue with the existing approaches. The transition must be able to address the existing requirements by complying with: