Conservatives are no longer conserving the rate of change to human and social values traditional to the United States.
Under Trump they have become fully reactionary against anything outside of their wealth and privilege bubble.
So what Harris has done has pointed out that the GOP are not "normal" because their values are really really really far outside the norm.
Harris flipped it. Because it is true. And she is a better politician than Trump. Poor Vance, not having an ideological raft to believe in, can only say reactionary things.