Earlier quoted context omitted.
Because they get to use their money and power and seep wealth out of things they had no part in creating. It's disgusting.
Open source software is like oxygen, big companies can burn really big fires and individuals can light their candle with it. We are all responsible for replenishing the oxygen in the air by planting trees. If the oxygen dies, so do the fires. Likewise companies have pinned their futures on OSS. They are investing. Edit: please downvote me dogmatic stallman types
Big companies start as individuals. I don't think your comment effectively communicates your intent...maybe something about wealth distribution or how corporations are immoral. I don't completely disagree with these concepts.