Day 2 of vibe coding in production: what breaks when adoption scales

In Part 1 of this series, I enumerated a few obstacles for engineers taking vibe coding from side projects to production. Part 2 looked at AI usage from the manager's perspective: measuring adoption, understanding the gap, coaching to fill the gap. Both of those were "Day 1" problems: getting started, getting people on board, figuring out the tools. This article focuses on what comes next: the vibe coding process problems that emerge after adoption is up. I'd call them "Day 2 problems". Let's sa