It depends on your understanding of what counts as “working”. Operating systems work. Microsoft Excel works. ChessBase, a professional chess database program which I use regularly, works. All these have been expanding their respective capabilities over the years, each becoming the Swiss Army knife of its field. It’s true that they …
… But they still work, which I take to mean that they actually help users get things done. More often than not, the new features allow users to get things done quicker and better.
Imperfection is always there, and is never an excuse to not try. The distinct argument that octopus software takes too much pains to maintain would be another topic.