Chomsky doesn't have any official engineer. The mic Chomsky has was sent to him by someone. He's not worth $5M like the rumors on celebritynetworth claim. I just help to get him booked in the media and I run the "Digital Chomsky" YouTube channel. I've interviewed him a few times, and I'm helping out with his biography.
I and others who are interested in Chomsky's work have noted that his audio is extremely poor. Sometimes I transcribe his talks, and I notice that it's so poor that you have to kind of guess what word he's saying. However, even when a talk is perfectly transcribable, the audio is still extremely poor.
I was the one who got "Rising" to have him on their show, and some people said that the audio was OK but others were extremely pissed about how poor the audio was. I linked to that at the top of this thread and you can read the comments for yourself. I was so frustrated because I even sent them a message in advance telling them to get the audio and video good beforehand and everything.
I also got "Rising" to do this interview but I'm not sure if they did a good job. Someone complained that the video was out of focus but I checked with the economist and he said that that's the way they got him to "optimize" the video: