The vibe coding examples are interesting to me. Okay, you can create chrome extensions and personal apps with these tools. The author seems to take it as a give

The vibe coding examples are interesting to me. Okay, you can create chrome extensions and personal apps with these tools. The author seems to take it as a given that that’s the extent of useful programming. How do they work in maintaining huge applications over time that require interactions between dozens or hundreds or thousands of streams of work?