Part of the problem is that the final output from SAP is typically financial reports that need to conform to standards. That limits the design flexibility of a

Part of the problem is that the final output from SAP is typically financial reports that need to conform to standards. That limits the design flexibility of any modules or core components that touch anything that might need to be accounted for. Anyone who has done custom systems development in this space are painfully aware of this. This is aside from the non-business logic parts ie counterintuitive development idiosyncrasies.