Sounds kind of like the old mainframes that airlines use. And I would think the same solution applies: rather than replacing it per se, why not wrap the SAP dat

Sounds kind of like the old mainframes that airlines use. And I would think the same solution applies: rather than replacing it per se, why not wrap the SAP data model by creating bespoke "gateways" that expose a more business-domain-oriented UX — where each thing people want to do is just one obvious button, but drives all those same complex SAP processes underneath?