Marc Lynch tries to explain the Muslim Brotherhood’s post-revolution incompetence in Egypt:
It has become clear that the Brotherhood was more profoundly shaped by its inability to actually win power than has generally been recognized. Almost every aspect of its organization, ideology, and strategy was shaped by the limits Mubarak placed upon it. The revolution removed those boundaries — and the Brotherhood has struggled badly to adapt. Its erratic, incompetent, and often incomprehensibly alienating behavior since the revolution comes in part from having utterly lost its bearings in a new institutional environment. The chance to rule forced it to confront a whole range of contradictions that Mubarak’s domination had allowed the group to finesse.