In the article Pink (colour), they altered the sentence to say: Crying (also known as sobbing, wailing, weeping, bawling, or blubbering) is shedding tears as a response to an emotional state in humans.  They changed it from "also called" to "known as" to call attention to the word.
Their personal talk page is covered with references to death' and mentioned in context with colours.
They were warned prior to this about WP:UNBROKEN
Why did they specifically add Europe to this article and remove Australia?
Star Fox: Assault had other vandalism from different editors.  
Generally, they're making a series of edits which is "semi-constructive" trolling.  Taking into account the death images and baiting combined with that and their identification of their personal talk page as an article, a warning for "disruptive editing" was the most apt warning I could find.