Rat Dota "Two digital wizards punching each other in the face has a directness which gets translated as honesty. One digital wizard commandeering a bunch of tree people to smack a building then scarpering before the other digital wizards show up to deliver the aforementioned face-punching is an indirect encounter. It tends to get translated as sneaky or less honest. It gets the ‘rat’ label."
Small article that ponders if there is a right way to play and why a defensive or less flashy style is sometimes considered anti-play or unsporting. Near the end of the article is a video of a very protracted game illustrating the style (almost 2 hours long all told, Alliance versus Cloud 9 (C9)) with C9 getting more kills but Alliance constantly nibbling on towers and building and exchanging life for killed structures.