The fact that US has been committing atrocities on the global scale for at least a century is crucial context for evaluating behavior of other countries Nothing Russia has done even begins to compare to the behavior US regularly exhibits. Countries have to be held to the same moral standard, and until the west starts accounting for its own crimes it is in no position to play world police or judge other countries.

Meanwhile, Chomsky is an accomplished political scientists with many published academic works on the subject. Dismissing hims as a linguistics professor shows profound lack of intellectual honesty on your part. And of course, nobody is asking you to take what he says as fact based on him saying it. The article makes a case that stands on its own merit, which you'd quickly realize if you bothered reading it.