https://www.forbes.com/sites/brucejapsen/2019/08/04/as-sande... (As Sanders And Warren Attack, Health Insurer Profits Soar; "Take Humana, which last week said it made more than $1 billion in profits in the second quarter and raised its earnings and revenue forecast for the rest of the year thanks to growth of seniors signing up to Medicare Advantage plans. Cigna, too, which said it made more than $1 billion in the second-quarter, also increased its earnings forecast last week for the rest of the year. And the week before, Anthem, which operates Blue Cross and Blue Shield plans in 14 states, also reported more than $1 billion in profits in its second quarter and said its profits are ahead of expectations for the year due in part to the money its making off of government contracts with Medicare and Medicaid programs. Meanwhile, UnitedHealth Group's UnitedHealthcare health insurance unit reported last month $2.6 billion in earnings from operations in the second quarter and the parent company boosted its earnings forecast for 2019.")

https://www.cnbc.com/2017/08/05/top-health-insurers-profit-s... (As Obamacare twists in political winds, top insurers made $6 billion)

https://www.gq.com/story/eat-the-health-care-ceos (Last year, 62 CEOs of health-care companies made a combined total of $1.1 billion in compensation. That's according to a new report out from Axios, which coincidentally notes that CEO compensation eclipses what the Centers for Disease Control spent on chronic disease prevention by $157 million; The average CEO makes $18 million annually while one out of every five Americans is struggling with medical debt.)

Those profits (which you mention they're optimizing for) are dollars that could be used to improve healthcare delivery. That's actual care someone could receive, instead of going to unnecessary middlemen and shareholders.