The comparative build-vs-buy decision is framed around the cost of achieving and sustaining a high capability ceiling under a requirement to deliver value quickly, rather than around whether Fabric plus Foundry and custom build can theoretically reach high capability.

The capability ceiling of "Fabric + Foundry + custom build" is high.

— Pyrana vs Microsoft Fabric — Comparative Analysis (Summer Fridays).pdf

The real question is the cost of getting there

— Pyrana vs Microsoft Fabric — Comparative Analysis (Summer Fridays).pdf

and keeping it there

— Pyrana vs Microsoft Fabric — Comparative Analysis (Summer Fridays).pdf

on a project the RFP says must "deliver value quickly."

— Pyrana vs Microsoft Fabric — Comparative Analysis (Summer Fridays).pdf