[luckylion]

While I'm absolutely not a design-should-rule-all person, I think there's quite a range between "pixel-level control" and "you can't choose which font to use".

If we'd reliably have the top 50 google fonts on every OS, there'd be a lot less webfonts used.

[yencabulator]

This is also something the browser vendor could provide, without OS-level changes.