Question: why are they treating the symptom (application screening policies) and not the root cause (racist laws and justice system)?

That wolkd be there no matter what else you were busy doing and is just a symptom of bigger issues.

That will only cure a symptom, not the behavior or underlying problem. 

Not only does this not fully deal with these excessive inequalities, but puts a deadweight around the neck of the economy, leading to compound lower growth, which is a disaster for those in the future.Secondly, in not fully dealing with excessive inequalities, we get symptoms like housing affordabilty issues.

It is an animal that works, provides assistance, or performs tasks for the benefit of a person with a disability, or provides emotional support that alleviates one or more identified symptoms or effects of a person’s disability.

I think this sentiment is a symptom of COVID, which like the virus will come to pass in the long run.

So how do you do contact tracing when someone doesn’t have any symptoms?”

. \|||/ It's extremely rare, but it happens. 99% of the time most people will have cold or flu like symptoms while they are in the microbial environment.

Take home message is that this is highly contagious, is contagious for several days before the patient is showing symptoms, that patients can be ill and NOT have fever for at least the first six days of illness, and that the blood test for coronavirus may very well not detect it, although apparently nasal and oral swabs do detect it. 

You'd just be treating the symptom, not the problem.