I told you not to ask, but I'm still gonna tell you.
The Pink Corruption is a virus can control the mind of anything it infects. When a person is infected, they become stronger, more aggressive, ruder, and sometimes more confident. Infected beings listen to Dub, who created the virus. Dub, AKA Blixer, is originally from the bullet hell game Just Shapes and Beats. Does this clear a few things up?