Earlier quoted context omitted.
OTOH there are thousands of tourist attractions that are not leaning. So unless the only interesting feature of your software is the technical debt I am not sure how this metaphor applies.
I think the metaphor is trying to say that in real world, things don't always work out perfectly, and you often have to resort to creating some technical debt to make the deadlines for the release. Even if it's not pretty. This metaphor cannot be stretched too far, though, since the actual tower has the leaning as one of its main attractions, whereas in your project, the technical debt is best hidden from tourists (c…
It amazes me the number of people who think metaphors and analogies are literal copies of the concept they're approximating and thus proceed to nitpick those comparisons.