Out of the goodness of their hearts

These mega-companies just want to help you.  No other motive.  I think that's nice.

The new company will be independent and "free from profit-making incentives and constraints." The businesses said the new venture's initial focus would be on technology that provides "simplified, high-quality and transparent" care.

It was not clear if the ultimate goal involves expanding the ambitious project beyond Amazon, Berkshire or JPMorgan. However, JPMorgan's Dimon said Tuesday that, "our goal is to create solutions that benefit our U.S. employees, their families and, potentially, all Americans."