>>267300637
Tweets showed he was directly involved in improving tracking, and he brings a lot of expertise. Regarding pushing things out, there's two different types of quality to consider here: releasing tech early before the state of the art can be polished, or deliberately gimping things for the sake of marketing or cost cutting. The latter is the problem and it's a Facebook executive problem.

Nevertheless, it's not a one man show, and Abrash is clearly crucial as well.