Reading it with hindsight, their problems have less to do with the technical trade off of micro or monolith services and much more to do with the quality and organizational structure of their engineering department. The decisions and reasons given shine a light on the quality. The repository and test layout shine a light on the structure.
Given the quality and the structure neither approach really matters much. The root problems are elsewhere.
Given the quality and the structure neither approach really matters much. The root problems are elsewhere.