The reactions to last week's part 2, The inherited costs of the composable stack, revealed something important about Martech today. People disagreed with one another, yet they were all touching the same truth from different angles. Some pointed out that composable savings mostly show up in use-case velocity rather than infrastructure. Others argued that cloud costs are a black box, no matter what you buy. A few reminded us that the data warehouse remains the gravitational center regardless of whether your CDP is composable or packaged.
What everyone circled around, though, was the same underlying question: who holds the
