The context is important. A lot of popular websites are still unreadable messes (thank you Instapaper & Readability) but it was more prevalent when this article

The context is important. A lot of popular websites are still unreadable messes (thank you Instapaper & Readability) but it was more prevalent when this article came out, when many web designers thought “typography” on the web was just choosing a typeface—any typeface that wasn’t Times New Roman—and changing the default leading.