In the experience of my department, event sourcing has brought complexity, not taken it away. Theoretically, when done right, by skilled and disciplined teams a

In the experience of my department, event sourcing has brought complexity, not taken it away. Theoretically, when done right, by skilled and disciplined teams and to store the state of one system to build projections off of and not to publish state changes to other systems, I think it might work. But in most cases it's overkill. A big investment with an uncertain payoff.