According to Wikipedia he is the father of Daniel Pearl, the journalist who was murdered by al-Qaeda. This may colour his views on things.
And what does this have to do with his merits as a computer scientist, which is the main subject under discussion.
Unlike, say, firing rockets, or kidnapping and decapitating people.
In case anyone else didn't pick up on this right away, Judea Pearl is the father of Daniel Pearl, the Wall Street Journal reporter who was kidnapped and decapitated in Pakistan.
NGO Monitor is pro-occupation and pro-Israeli settlers.
So your response seems to be out of place. I criticize A, you say "but B" which is unrelated to A as a counter argument.
Ah yes, "Peaceful NGOs"....
Even if they are "peaceful" (many aren't), that doesn't imply that they're good.
There's nothing inherently wrong with attacking NGOs. In fact, it's actually good to attack some NGOs because said NGOs are evil.
The fact that you've taken a side does not imply that the other side is wrong to oppose your side, let alone that this guy has done anything wrong in his opposition. .
Unless you're one of those evil "By any means necessary" folk, that statement tells us nothing about whether these NGOs are evil.