As with anything. Either you can go full-speed without much understanding and hit a wall when you need to understand stuff or you can go a manageable speed and

As with anything. Either you can go full-speed without much understanding and hit a wall when you need to understand stuff or you can go a manageable speed and actually understand the codebase. I don't think we can do both. The difference is that it's optional now depending on the project and the audience.