[ex_amazon_se]

> selling products to people in the top 10% of global incomes

No, the majority of customers are big corporation with a very large customer base (aka lower and middle class). The customers are the ones ultimately paying for that - e.g. when they buy food at McDonalds.

[robertwiblin]

Most people in the US, UK and so on are in the top 10% of global incomes: https://www.givingwhatwecan.org/get-involved/how-rich-am-i/

Some people in developing countries would have paid for Windows too, but they would have been unusually rich to have computers when Microsoft was raking it in. And from my experience in developing countries, Microsoft software was pirated almost 100% of the time.