That is a part of the propaganda machine, but yes, misdirection of who is to blame is a huge part of the system. It works in all directions however. All sides of everything "controversial" get different pieces of the truth, and a narrative overlay that misdirects away from the real culprit and the real problem.
There other part of the system is to exploit the victims' anger and channel it in the opposite direction.
That is a part of the propaganda machine, but yes, misdirection of who is to blame is a huge part of the system. It works in all directions however. All sides of everything "controversial" get different pieces of the truth, and a narrative overlay that misdirects away from the real culprit and the real problem.