I don't understand your world salad but you were just presented a case of institutional racism, the very thing CRT teaches about.
1. There is no word salad.
2. The point I'm making is that the versions of CRT explained by CRTists in this thread, were debunked. Other versions are debunked as well (pick your version and I'll debunk it). So, even if it teaches about institutional racism and there is institutional racism, it is still debunked. For example, Catholicism teaches about immoral behavior. There is immoral behavior. But Catholicism is still debunked - among other things, because it has the wrong teachings about immoral behavior.
3. Assuming that the accounts of the events claimed by biased parties are accurate, then that seems to be a clear-cut case of just plain old anti-Black racism. Sure, anti-Black racism exists and it is a problem. But there is no need for invoking "institutional racism". In fact, it is not even clear that there is also institutional racism in this case. What definition of "institutional racism" are you going by?
4. Even if you have a coherent and useful definition of "institutional racism" that applies to this case, that would not justify CRT. It's still unwarranted and false, even if it makes some true claims, like say Catholicism makes the true claim that there is such thing as immoral behavior, but Catholicism is still unwarranted and false.