The article is [extremely] explicitly not discouraging distinct colours. If you think the opposite to the article is true, then I'm not sure what you're advocat

The article is [extremely] explicitly not discouraging distinct colours. If you think the opposite to the article is true, then I'm not sure what you're advocating, because it isn't distinct colours. The article does talk at length about how to adjust for aesthetics, but at no point does it skimp on also ensuring distinctness.