I don't think he was talking about a dpi scaling issue, he was talking about the aesthetics of the Human theme in Firefox, especially to Mac OS X's and Windows Vista's versions.
I wrote a bug on how Firefox needs to show text under the icons, as I believe this is part of the 'aesthetics' issue: https://bugs.launchpad.net/ubuntu/+source/firefox-3.0/+bug/307377
I don't think he was talking about a dpi scaling issue, he was talking about the aesthetics of the Human theme in Firefox, especially to Mac OS X's and Windows Vista's versions.
I wrote a bug on how Firefox needs to show text under the icons, as I believe this is part of the 'aesthetics' issue: https:/ /bugs.launchpad .net/ubuntu/ +source/ firefox- 3.0/+bug/ 307377