> but ultimately the only reliable way I've seen to close the gap is hire disciplined people who care about, and thoughtfully consider, what they build.

You were able to turn around a codebase that was growing its bug count exponentially by changing an entire company's hiring practices?

I really don't believe in the "just don't be stupid" or "don't hire stupid people" approach to things. If it works, it only works at a small scale and once things become urgent enough, things fall apart.