User blog comment:Kirkburn/Technical Update: May 18, 2015/@comment-4129195-20150519161001/@comment-126761-20150519161318

When users heavily customize their community with CSS, this is always a risk. We try to avoid causing problems whenever possible - but frankly, it's not always doable. In that case, it looks like the Pokemon Wiki CSS needs some small tweaks.

Well over 90% of visitors to wikia are readers, so certainly they are a major concern for updates - but the content they read wouldn't exist without editors.