Code that "can't be refactored" is a huge smell. This code can be written in a simpler and easier to follow fashion even if the authors of the code were unable

Code that "can't be refactored" is a huge smell. This code can be written in a simpler and easier to follow fashion even if the authors of the code were unable to do so. The proof of that is the thousands of free software projects of equal level of complexity whose code bases are a joy to read.