We, the people, have the power.
He said if RR is dirty, then Mueller is dirty. And if Mueller is dirty, RR is dirty.
BUT- what if they're not?
No, what Q is saying is that they are rewriting history with each new edition of history books, getting further and further from the true sequence of events.
If left unchecked, history books would eventually say America started both World Wars and bullied other countries to bend to their will, while Germany and Japan were just helpless victims of our cruelty.
That's what Q was signaling as alarming.