No, the genre "ate shit" because StarCraft 2 was a step down from the previous games, because it's a very poor viewer sport that's difficult to grasp and see the nuances of unless you're a masters player yourself, and because of the huge influx of casual players who doesn't want their games to be like chess, but rather duck duck goose, aka LoL.
The genre was always meant to be competitive, again it was the genre that built the whole fucking competitive scene. You might personally think it's better suited as a single player game, which I can understand, but saying that it "ate shit" because it was multi-player focused is just delusional.