By keeping a narrow focus and avoiding feature creep, the technical debt has been pretty minimal, and they've been able to pay it down easily. There's at least

By keeping a narrow focus and avoiding feature creep, the technical debt has been pretty minimal, and they've been able to pay it down easily. There's at least something to learn from the approach. It does also help that there is a certain type of developer that sees such things as a personal challenge and will go through hell and high water to come up with more and more efficient ways to do things.