Managers have no right to the drug-testing data. Privacy is the rule. Managers do what is best for the company, not for the workers. The morale may go down. Managers do what is best for workers.
Managers have some responsibility to keep their workers safe.
In the long run, they will appreciate a safer work-place. Individuals with different values may choose C1, C2, or C3. In the above filter section, EndRight, RuleRight and CareRight was inserted in brackets where it appeared to the writer reasonable dominant values. In cases where it was not inserted, it was not considered as a reasonable dominant value. Others may may have different values and come to different conclusions.