“Everything everywhere” – the age of digitalization requires convenient access to and constant availability of IT systems throughout all channels and devices. However, this means additional complexity in company processes and procedures. As a result, the digital transformation is accompanied by a rigorous agile restructuring of organizations – often blindly following every trend. A consistent enterprise architecture often falls by the wayside and technical debts pile up continuously. Whilst agile evangelicals often fail to pay the necessary attention to sustainable architectural approaches, conventional enterprise architects and lead architects lend weight to holistic architectural management. Based on the views of these colliding worlds, we call the fifth sin, the “Deadly Sin of Architectural Superbia”.