This is how a Syrian professor, writing for a Dubai outlet, summarizes the effects of the Walt-Mearsheimer paper:

The damage caused by the Harvard-sponsored study to the Jewish lobbying groups was enormous. For the first time in the history of US-Israeli relations a prestigious and respected academic institution in the US dares to speak up about such a sensitive topic considered by many in the US as taboo.

Jewish groups in the US decided to remain silent, however, in order to avoid generating public debate about the study. MondoWeiss