From Rachel Ehrenfeld:

He’s entitled to his opinion. However, it’s worth noting that the NY legislature and Rep. King and Senators Liebermann and Specter, as well as Floyd Abrams, and for that matter my own principled attorney, the NY City and State Bars, Pen, the Authors Guild, etc., support this legislation because it is very important.
Here is an op-ed from Floyd Abrams on the subject.