Within a specific project, you pick an approach and stick to it, just like you should do for any given convention within a project.

The idea is to make it easier for projects using different conventions to be built on top of each other without making things harder to read - and in practice it actually works really well at that.

On the upside, people freaking out over the style insensitivity makes for a nice change from people freaking out over nim caring about whitespace, so at least we get some variety in our aesthetic worrying from people who've not had time to try the language yet :D