Not disputing the strong history of NIMBYism in Cambridge in general....but, honest question, has anyone seriously observed any substantive NIMBY pushback on this particular development, either the GSA portion or broader MITIMCO proposals? Because I have not. Granted, I've not been 100% plugged-in, but I have been following this for years and have watched some of the virtual public meetings. The 500' zoning variance was approved by the city fairly easily about 5 years ago, and the overall density doesn't seem to have been combatted much at all by the locals. This parcel doesn't really have much in terms of old-school residential abutters. Kendall Sq. shields it on one side, and the Binney St. corridor shields it on the other. It's not really getting in anyone's way.
That said, do the plans seem a bit preemptively defensive to begin with, and could/should they be bolder? Yes. But in this particular case, I do not think we've seen much, if any, real NIMBY activism thwarting things here.