I'm sure these organizations are great and are doing wonderful work but they are not government entities and Google has no obligation to respond to them, further more these are non profits, attaching themselves to a high profile subject like Google gives them more exposure and potentially more donations.
They promised not to pursue "technologies whose purpose contravenes widely accepted principles of [...] human rights".
1. A seemingly willful disreguard for the facts. 2. Another striking commonality that I can't aledge but a trip through your comments will bear out. The topic always seems to be common. The timing of the account creation is of course purely circumstantial. Draw your own conclusions, but to say that you are constructively adding to discussion would be a reach.
Please don't insinuate astroturfing in comment threads. If you think you're seeing abuse, email us at hn@ycombinator.com so we can investigate. We ban accounts when we find evidence of abuse (I've banned that one), but just dropping a comment in the thread makes it unlikely that we'll ever see it. It also poisons discussion in the case where the insinuation wrong, which is far more common.