Being a French sociologist he would probably find the U.S.'s definitions of anarchism and libertarianism a bit quaint :)

It sounds like his version of French culture is less savage? He was saying he found the American hackerspace to be extremely violent. It's no surprise he feels this way, some radical lefties feel it's important to make examples of people for breaking social norms to the extent of running people out of town. I've also seen social punishments for not participating in ostracizing the wrongdoer, like if you don't help shame them maybe you don't value your place in the community.