Some people wish to not see some images for various reasons.
Wikipedia is not censored. Content will generally not be removed due to assertions that it may be objectionable. Wikipedia will also not use specific disclaimers in articles warning readers of such content; all articles fall under the site-wide Content disclaimer. Readers who do not wish to view certain content have a number of options: these options will prevent certain kinds of content from being displayed.
This page assumes that (a) one still wants to visit Wikipedia (rather than creating a fork or simply abstaining) and (b) one does not wish to enter discussions within Wikipedia policy to have the image changed, removed or deleted by building consensus.
Wikipedia readers have two possibilities to influence the way Wikipedia content is displayed on their screens: