From the article ...

"Many customers also called questioning why they got a negative result from Doctors Clinical Lab but had tested positive through another lab, Morales said."

From a related article: https://blockclubchicago.org/2022/01/19/center-for-covid-con...

"Numerous Chicagoans told Block Club they received negative test results from Doctors Clinical Lab, only to get a positive elsewhere. Others never received results, or received them so late the test was effectively useless. Some people who didn’t even test at the sites were still sent results."

It appears you're saying that the response was because there were many false positive tests, when it appears to have been the opposite.