You can also make a voluntary decision not to buy products from a company that dumps toxic waste into the water supply -- does that mean they should be able to

You can also make a voluntary decision not to buy products from a company that dumps toxic waste into the water supply -- does that mean they should be able to do it? Just because you are not giving them money or you can choose to personally opt out does not mean they are not doing societal harm, and a democratic government has a mandate to minimize the harm done on society as deemed by its population. Libertarian justifications are great thought-pieces, but ignoring the social contract is only awesome if you are rich and have no empathy.