Because the biggest part of a market always tends to accumulate on few individuals or companies. This is also known as power law distribution or pareto distribution. It's just not so easy to get hold of a significant part of the market, even if it's "just" 1%.
Discussion
Ahh I see what you saying... But you think they won't cut losses for profit ? In other word cut what's not future proof... 21 mil that's it I think they would be able to move whatever they like to make sure they stay on top. But I do understand what you saying tho, 💯