Nobody seems surprised when all wealth is accumulated by one player at the end of a game of Monopoly. The figures in the article should then also not surprise anyone. This is not some flow in our system, this is the natural progression of capitalism as designed.
Monopoly was actually originally designed to demonstrate the "surprising" effect of accumulation of wealth by a single player (via rents).
With the implied moral judgment that this is unfair/unjust: https://en.wikipedia.org/wiki/The_Landlord%27s_Game
