> If you write to the first service and the second two fail, you need to write a second "undo" call to keep consistent. No, you just need loosely-coupled servi

> If you write to the first service and the second two fail, you need to write a second "undo" call to keep consistent. No, you just need loosely-coupled services, where inconsistency in this circumstance doesn't manifest as a problematic end-state.