As a working person, how do you negotiate for fair pay, benefits and rights where you work? People in a job can be on their own against a lot of power, taking whatever the employer is willing to trade for their work. Or they can join with the rest of the employees at the workplace and negotiate as a group. Banding together to fight for a fair share is called organizing into a union.
People who own companies think that the company is their “private property” and they can do what they want with it, regardless of the effect on the people who work there or the surrouding community. Their goal is to make as much money as possible and to do that you lower costs as much as possible. Those costs include the cost of disposing of harmful waste products, the quality and safety of the products produced, and the pay and benefits you provide workers. In this equation unions are a problem. They have the power to make you pay more and provide safety and benefits, so they are in the way of keeping as much as you can just for yourself.
Obviously the greater society -- the people who make the rules that companies are supposed to follow -- has very different interests from the people who own companies. Society wants to avoid being exposed to harmful waste products, and wants the people in the society to be paid well and have good benefits. Society wants healthy communities. Society wants good and safe products that don't use up our resources. The people in the society are generally going to want rules that lead to better results for the greater number of people. Unless they can be convinced otherwise.
So the owners of companies try to convince us that unions are bad. They form and fund "business groups" like the Chamber of Commerce, to fight to keep unions from having the right and power to organize their workers. We hear it repeated over and over in our corporate-dominated society, a drumbeat that labor unions are sinister, shady, harmful, corrupt, violent, “raise prices,” ”cost jobs,” and generally hurt the economy and country. We hear they force workers to pay dues (never mind that unionized workers pay the dues from higher pay and benefits.) We hear that "union bosses" tell workers what to do and "union thugs"make them do it. Nothing could be further from the truth, of course. The owners of companies have a lot of money to spend on convincing the public to let them have free reign, and they know from selling products how to sell things to the public. Repetition, repetition and repetition. Marketing works...
http://www.seeingtheforest.com/archives/2010/09/how_companies_t.htm