The Latest from Aaronontheweb: Why Deep Inheritance Hierarchies Harm Software


Why Your Software Sucks: Inheritance

Published on January 26, 2026 in

7 minutes to read

“I have a great idea: let’s create a five-layer deep inheritance hierarchy with a universal base class that every domain object inherits from! That way, when requirements inevitably change, we’ll only need to touch… everything.”

This is episode two of my Why Your Software Sucks video series, and today we’re talking about inheritance - specifically, how deep inheritance hierarchies turn your codebase into an unmaintainable mess.

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Aaronontheweb

I write about .NET, open source software, the Microsoft ecosystem, my adventures with startups, and outer space.

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