User blog comment:Lancer1289/Wikia's New Skin, the countdown begins/@comment-1074875-20100928213440/@comment-1074875-20100928220426

I create the theme for myself, and for whoever wants to install it in the userspace/browser.

Wikia can't know about those changes, and even if they did, they can't do anything about it. Their policy only applies to the general stylesheet that is now the default for every user (registered or not).