For leftists, words mean whatever they want them to mean and if they want them to mean something else tomorrow, that’s permissible too.
"The Language of the Third Reich" by Victor Klemperer is about how the nazis manipulated the language as a means of manipulating society.
We see the same today in America where words like "Militia" used to conjure images of honor, duty, and patriotism, now are used to label right wingers as dangerous violent criminals.
(Amazon) The Language of the Third Reich