> All that remained were ragtag interns and junior developers.
For many people, their first job in software engineering is the worst codebase they will deal with professionally for this reason. The first job hires lot of people with little/no experience. As soon as someone gains some experience than can move on to better paying jobs, where there are better developers with better standards.
Worst code bases are often ones taken over from IT consultancies. They drive young, inexperienced developers working many hours to deliver functionality. While the project may start out “clean” using whatever is the current hotness in technology, at some point getting stuff developed and throwing over the wall to QA is the important part.
For many people, their first job in software engineering is the worst codebase they will deal with professionally for this reason. The first job hires lot of people with little/no experience. As soon as someone gains some experience than can move on to better paying jobs, where there are better developers with better standards.