Overrepresented, as in given much more attention by the media than statistically they deserve. Simply because it will outrage people and get them to engage
One annoyance is that a few large conglomerates own the majority of the media which means one news story gets a ton of exposure. If you follow the media using a variety of sources you realize you keep seeing the same article over and over and over again...sometimes word for word. What looks like a lot of coverage really isn't.