I read parts of the article, and skimmed the rest, and almost spat water at my screen when I read the last section:
> Hentaigana : beauties
>
> The word hentaigana is made of kana, — syllabic elements —, and hentai [...]
Here she (?) is referring to 変体 and not 変態. Earlier in the article she said "[j]apanese language is a very playful language" but I don't think she's thinking of homonyms. :-)