Imho an intressting development in the completly wrong direction. However it shows the massive problem capitalism has, that it increases capital accumulation within a small group of people. It also is a strong argument against the idea of billionaires having earned their wealth.
yeah before reagan we had a system where the more money you made the harder to was to make that much more. So large companies had to run better than small ones to succeed. that time is long gone.