https://greatexpectations.io/blog/deeper-wider-thicker/
How DAGs grow: Deeper, wider, and thicker
November 16, 2020
“Over time, this turns into a steady, compounding creep in the maintenance time that you’re putting into the project…. Stuff breaks unpredictably, timelines become highly variable, and people burn out…. To understand why the cost of maintenance compounds over time, we need to break down how data scientists, analysts, and engineers really spend their time.”