At what levels does greed of people like Bezos, Elon, Gates or Larry comes to a halt?
Give me one example, where consumer behavior really changed anything. Usually what follows from large boycotts is political action or the company succumbing to pressure.
Just stopping to spend your money there might make you feel good but don't kid yourself, it barely does anything if you're not turning it into an organized action.
Amazon is gigantic because they give customers a better experience and people feel safe buying from them without having touched the product.