You seem to mix things up?
He has been very critical of "socialist" countries, especially towards their underlying political ideology.
He has been very critical of "socialist" countries, especially towards their underlying political ideology.
https://www.antiwar.com/blog/2014/04/01/why-criticize-your-o...
And so I find in a globalized, hegemonic world, Chomsky's first reason is just as important if not more so than the second: Seeing what the larger component is is crucial, as a prerequisite to doing something about it.
In the end, it is just an attempt to shore up weak arguments with weaker falsehoods.