The use of COBOL cripples the mind; its teaching should, therefore, be regarded as a criminal offence.
A project that does healthy refactoring will be steadily deleting bad code. If nothing's deleted then it's almos certainly a sign that there isn't enough refactoring going on - which will lead to design degradation.
By claiming that they can contribute to software engineering, the soft scientists make themselves even more ridiculous. (Not less dangerous, alas!) In spite of its name, software engineering requires (cruelly) hard science for its support.