Brydo, let me explain. Companies, large or small do not pay tax. What they do is hand over money to the government that their customers have paid them. If company tax was 50%, to pay it and stay in business, companies would need to charge their customers more. If company tax was zero, in a competitive market, they would reduce the price of their goods or services and their customers would pay less. The burden of tax falls on the end user of the goods or services companies provide, not on the companies themselves.
Government doesn’t own any money, it borrows money and pays interest on the loan, or it collects money in taxes. That it spends money does not mean it is its money to spend. In a very flawed democratic process, the people give government permission to spend their money and it is accountable to the people for how it spends their money. People can earn money, inherit money, or borrow money and they can choose whether to spend it or save it or give it away. So you are right that we can do what we want with it. Government cannot because it doesn’t have ownership of any money. It is accountable to the people for the people’s money it spends. The fact that the people in reality have no say in how the government distributes the people’s money, doesn’t change the situation.