This is a valid observation. I suspect, in practice, almost everyone follows the sane approach of enforcing a code style in your codebase. I think what usually

This is a valid observation. I suspect, in practice, almost everyone follows the sane approach of enforcing a code style in your codebase. I think what usually gets lost when this is brought up is that the point of this code style insensitivity is not to encourage you go to crazy and mix and match it in your projects. It's so external dependencies don't have to infect your codebase. So you can actually apply a consistent code style within your project.