It's not only that "fonts are hard" but that "the transformations people do to web pages are very different from the ones the GPU is good at", as I understand.

It's not only that "fonts are hard" but that "the transformations people do to web pages are very different from the ones the GPU is good at", as I understand. At which point we've reached the end of my second-hand graphics knowledge, unfortunately. I wish I could give you a better technical explanation here...