The thing is, unions are supposed to protect their membership. What has to be borne in mind is that human life—despite protestations to the contrary—is relatively cheap. Workplace safety is often overlooked since measures to create a safe environment cost money that eats into profits. A typical employer wishes to receive maximum output from the workforce at as little cost as possible. A union exists to insure that an employee has a degree of safety.
Here is where Fehr and Orza blew it—what they failed to understand (or simply ignored) is that by trying to keep an environment where players could use performance-enhancing drugs without concern of sanction, they were doing ownership a huge favor. Steroid-fueled performance was incredibly profitable and ownership didn’t want the gravy train to end. Players were risking their health by taking substances that possibly came from dubious sources and manufactured in unsanitary and unhygienic conditions.
Management didn’t care; player turnover is a fact of life in baseball. Somebody is always available to take the spot of somebody not performing should someone become injured due to steroid usage. They found an indirect ally in the MLBPA; higher profits translated into higher salaries and the interests of the salary bar were being served. Citing privacy issues, Fehr and Orza long resisted drug testing. This suited ownership just fine and it finally took government action to get both to deal with the issue in a substantive way.