A. When business process logic is physically distributed across independent service implementations, it can be difficult to extend and evolve due to its decentralized nature.

B. Grouping non-agnostic business logic together with agnostic business logic hinders the governance of the non-agnostic logic and the reuse of the agnostic logic.

C. Bundling both messaging and validation logic into the same service eventually results in the creation of redundant logic across multiple services, thereby causing performance challenges.

D. The same business rules may exist within different business-centric services, leading to redundancy issues and governance problems due to the challenge of maintaining consistent rule logic within multiple services as rules changes over time.