Actually, a corollary to your universal truth is that you don’t have to be losing the argument to make “cry racist” a winning strategy. Just to insist that all whites are racists poisons the well, so that the accused doesn’t even have the right to open his/her mouth.
:: Just to insist that all whites are racists poisons the well ::
Which is why I always use it first when having a discussion with my SIL.
Hey, if “Mexican” can be a race, so can “conservative”.