Just off the top of my head. During the cataclysm arc when Gotham was destroyed by an earthquake and the government and all the other corporations pulled out Bruce was going to fund everyone to start businesses by himself in order to rebuild . For an entire city. That’s not just “some philanthropy”. He wouldn’t have had the resources to do that if his corporation was not highly profitable.
The many examples of him doing so in the source material?
Sure, every billionaire does some philanthropy. But most of their money is out there being invested in high profit industries like war and oil.
Just off the top of my head. During the cataclysm arc when Gotham was destroyed by an earthquake and the government and all the other corporations pulled out Bruce was going to fund everyone to start businesses by himself in order to rebuild . For an entire city. That’s not just “some philanthropy”. He wouldn’t have had the resources to do that if his corporation was not highly profitable.