Internationalization and localization don't require more fonts, just different fonts. When a user is viewing a site in English they'd see a different font to a

Internationalization and localization don't require more fonts, just different fonts. When a user is viewing a site in English they'd see a different font to a user viewing a page in Japanese. That's fine. Just serve one a stylesheet with the English font first, and the other a site with the Japanese font first. They would still work fine. Bold and italic were different fonts in the past, but variable fonts have solved loading separate fonts for different weights and italics. This change would require developers swap to use those in many cases, and to create variable versions of brand fonts if necessary. I don't see that as a problem. The benefit makes it worthwhile.