Probably not.

There's some room for expansion in styling (especially now that required/moderator tags are getting special use cases outside of Meta.SO and StackApps, like [[featured]][1]), but we don't want to go too far lest [app]s start looking "official" by accident.

As Sky linked, the use case for the styling info is inline linking of questions ala [chat][2] or any of the aggregation sites.  There are plenty of other ways to do this too (favicon and site logo being popular), but the link and tag color minimalist way was important to support.


  [1]: https://gaming.meta.stackexchange.com/questions/tagged/featured
  [2]: http://chat.meta.stackoverflow.com/transcript/message/196069