I think you skipped reading the article. The article is about punycode. Using it, you can have a site name like 'apple.com' even though really the domain is ma

I think you skipped reading the article. The article is about punycode. Using it, you can have a site name like 'apple.com' even though really the domain is made up of various unicode characters. So even if you were exceedingly careful and you made sure not to fail for googel.com and goog1e.com, you would still fall for the visually correct google.com.