No, instead they control access to food, shelter, medicine. They control the price of education, and the availability of work to earn a living. They control how much of the country suffers in poverty. They control our sources of information. They decide what news is published and what is not. And with all their wealth and influence, businessmen buy up politicians.
In answer to your three questions: No, but no politician can, either. Yes, by controlling prices, only instead of the money being used to benefit the population, it just goes into his pocket. Yes, by using his wealth and power to compel politicians into passing laws that take away my rights and criminalize activities that he thinks will take away his profits. Why do you think all of this massive anti-piracy legislation is going on? Do you think that the people demand it? Do you foolishly believe that the industries are suffering from internet piracy? No, it comes from the wealthy owners wanting more and more money.
No right on paper means anything unless you have the power to exercise it. We have rights in our interactions with government. We have none in our interactions with business, save those that we use government to safeguard. And those latter rights are dwindling.