Gee, I hope they aren’t forming a monopoly.
From the article: The new company will be “free from profit-making incentives and constraints” as it tries to find ways to cut costs and boost satisfaction with the health care plan for employees of Amazon, Berkshire Hathaway and JPMorgan Chase
So, it looks like it is for THEIR EMPLOYEES only. Whether it will expand to others remains to be seen...
Begins to remind me of the hypothetical giant conglomerate "Weyland Yutani" in the "Alien" movie franchise.