It is an absurd charge to level against someone.
A true racist won't care. A non-racist person who is falsely accused of racism will instantly assume he or she is dealing with a low-intelligence nitwit.
A non-racist person who is falsely accused of racism will instantly assume he or she is dealing with a low-intelligence nitwit.
That is what they should do, but more often, they go on the defensive and stop arguing about the topic that triggered the lib to pull the race card - which is exactly what they want you to do.