I think the minimalistic design is appropriate and efficient mostly. …with a couple caveats regarding accessibility: the default font is way, way too small, an

I think the minimalistic design is appropriate and efficient mostly. …with a couple caveats regarding accessibility: the default font is way, way too small, and some colours don't have enough contrast (eg, the “visited link”). Also, a tiny bit more of formatting would make comments more readable while keeping them sober and focused (eg, blockquotes, monospaced inlines, true hyperlinks).