Definition - the technique or practice of responding to an accusation or difficult question by making a counteraccusation or raising a different issue.
"the parliamentary hearing appeared to be an exercise in whataboutism"
Merriam-Webster -
the act or practice of responding to an accusation of wrongdoing by claiming that an offense committed by another is similar or worse
The exchange is indicative of a rhetorical strategy known as whataboutism, which occurs when officials implicated in wrongdoing whip out a counter-example of a similar abuse from the accusing country, with the goal of undermining the legitimacy of the criticism itself.
—Olga Khazan
By whataboutism I mean the way any discussion can be short-circuited by saying "but what about x???" where x is usually something that's not really equivalent but is close enough to turn the conversation into mush.
—Touré
also : the response itself
They accomplish it by muddying the waters and distracting from international criticisms with whataboutisms such as telling the world that there's nothing exceptional about America.
—Alex Zeldin
And basically you and your pals were doing exactly that - deflecting.
Taking the focus away from Santos possible fraudulent money issues and putting Warren in the way of criticism instead by way of, wait for it - a whataboutism.
You did it all day. The evidence being your posts. In fact you Rs practice that technique as the go to posting. You may wish to deny it but the proof is here.