I am not sure how they came up with the share icon with the new release of iOS7 Safari. The stick figures are going to take a long time getting used to. This article goes into extensive detail on the new browser.
Before the IPhone I never really paid much attention to the Mac culture but the products are great. I guess if you look closely enough you can find faults or stuff you don't like.
This big overhaul in this release of the GUI is pretty dramatic in the amount of changes. I have found that they stick with their designs and only change when there are flaws.