As a project grows, scaling takes a lot of work. Adding a new feature means making sure that it works with all of the other features that are already there. Hav

As a project grows, scaling takes a lot of work. Adding a new feature means making sure that it works with all of the other features that are already there. Having millions of comments means you have to figure out how to implement caching correctly. And so on. It takes a lot of work to manage large codebases.