Well, props to him for being open minded enough to both see what was in front of him, as well as realize how far his homeland had fallen, and for making attempts to fix it.
And, to whomever organized the field trip.
Khrushchev saw the same thing on his visit blew it off.
He understood the long term value for Soviet hegemony of the class of useful idiots that had been carefully fostered and which were then self propagating in ivory towers around the west. He knew their power to bring about what socialism was really meant for: to bring people under the sway of the governing elites and be thankful for their proverbial turnip for dinner too.