Earlier quoted context omitted.
Can you elaborate? Google Finance shows a profit of $631M for 2011, and $1.1B for the year prior, while only a loss of $39M for 2012. Their IPO is $1.50 compared to $332 today. Did they really take on so much investment that they still haven't made it back?
The thing is, companies don't pay tax on sales, but on profits. And Amazon is a company with a very strange attitude to profit: it doesn't seem to like it. In the year 2012, it made a worldwide loss of $39m, even as it had sales totalling $61bn. That year was an aberration, with a costly acquisition weighing the company down, but previous years have been similar. 2011 saw just $631m net income on worldwide sales of $…
People buying shares on the market doesn't give any money to Amazon and is rather meaningless in this context.