I don't think the effect would be measurable. I think that, especially in America, anti communist propaganda was just so god damn influential and the ruling ideology had/has such a grip during the cold war that this was inevitable. Hell, a lot of the most outspoken lefties in the U.S. were still anti soviet at the time, and a lot the ones who survived are going full liberal in their old age. It's really just a case of a whole cultural sphere being brainwashed combined with the fact that for a lot of the masses in the west during the cold war capitalism did seem good. They lived comfortably, their needs were met. When the material conditions are acceptable enough, it's pretty easy to get the people on the side of the ruling class, especially if a threat like communism galvanizes the porkies to set aside any conflicting interests they may have to keep the system in place.