They know already and don't much care.
They are like stubborn little children who don't like to be scolded and will go right back to doing whatever damaging thing they were doing just to spite you. No matter how much it ends up hurting themselves.
They take Axis Sally’s old view (American born Nazi propagandist) that you should not embrace the USA “my country right or wrong” yet they, like Sally, are unwilling to step back and take the same attitude to their employers and direct a critical eye toward their own abuses, excesses, lies, and wrongs.