The clean core argument attracts a specific category of pushback from enterprise architects and SAP implementation leaders who have spent their careers building and maintaining customised ERP landscapes. The pushback is not that clean core is technically unsound. It is that it is organisationally unrealistic — that the customisations exist because the business required them, that the standard SAP processes did not cover the operational edge cases that the custom code addresses, and that asking the business to abandon the functionality it depends on in the name of architectural purity is a conversation that no implementation team has ever won without significant political cost.

This episode takes that pushback seriously — and then dismantles it. Not by dismissing the organisational reality, but by examining what the clean core argument actually requires and what it does not. Clean core does not mean no customisation. It means no customisation inside the core system. The BTP layer, the side-by-side extension model, and the API-first integration architecture that SAP has built around S/4HANA exist precisely to allow organisations to retain the functionality their edge cases require, without embedding that functionality in a place that makes the core system non-standard, upgrade-resistant, and invisible to AI.

The critique this episode defends is that most organisations resisting clean core are resisting a version of clean core that no longer exists as the only option. They are fighting against an absolute that SAP stopped requiring years ago. The real question is not whether to customise — it is where to customise. And the organisations answering that question incorrectly are not just accumulating technical debt. They are systematically degrading the data quality and system predictability that enterprise AI requires to function at the level the business is expecting it to deliver.

Keywords: clean core critique SAP, defending clean core AI, SAP clean core customisation argument, BTP extension clean core, S/4HANA clean core pushback, clean core business case AI, SAP clean core implementation, clean core side-by-side extension, ERP customisation clean core debate, clean core AI data quality, SAP AI clean core defence, clean core upgrade resistance, SAP BTP side-by-side AI, clean core non-standard ERP, enterprise clean core architecture argument

About the Host

Rıdvan Yiğit is the Founder & CEO of RTC Suite — the world's first Autonomous Compliance and Payment Intelligence platform, built natively on SAP BTP and operating across 80+ countries.

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ridvan.yigit@rtcsuite.com

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