Sure there is, it's a different thing. Many monospaced fonts are also uniwidth, sure. The article is promoting fonts that are non-monospace but are uniwidth.

Sure there is, it's a different thing. Many monospaced fonts are also uniwidth, sure. The article is promoting fonts that are non-monospace but are uniwidth. It would be wrong to apply the term "monospace" to these fonts, so a second term certainly is needed.