No, its not.
Though there is a mythic anti-”Critical Race Theory” story created by the American Right, and the thing within it called “Critical Race Theory” is a (particularly incoherent, because a number of unrelated and opposing things from the real world that share only that they concern race, and they are disliked by the American Right, and they are not actually Critical Race Theory, are jammed into it) mythic story.
> These stories are lenses through which you can describe the world. They’re like software for the mind. And like software, they aren’t objectively right or objectively wrong.
Actual critical race theory (like critical legal studies, from which it stems) holds the existence of objective features of social structures, with tangible, material, effects.
Like many hypothesized social phenomenon, the complexity of the systems involved may make falsification difficult on a practical level, but the claims it makes are fact claims which are objectively true or false.
These stories are lenses through which you can describe the world. They’re like software for the mind. And like software, they aren’t objectively right or objectively wrong. Each of these stories (dubiously) explain and obsesses over some aspects of the world, and ignores other aspects completely.