There is no legal requirement to maximize profits, just avoid doing anything stupid. Aka they can donate 5% of total annual profits to charity but not 50%. Drug companies often donate large quantities of medicine to 3rd world countries because it's vary cheap for them to do so and the management team is not evil.
There is a legal requirement that you can never take a decision that's bad for the company. If there is an official analysis made that shows that you could make more money by selling your product at 3x the price and people would still buy it, and you ignore such a report, then it's a very good reason to get you kicked out of the management board.
And yes, companies donate money/products to charity, but only when they have "spare" money, so money they have no current use for, no ongoing investment plans and so on. And most of the time, giving money to charity is written off as a PR expense, improving the company image by donating to the poor. So yes, there are ways to spend money for noble causes if you want to, but you can't knowingly make a decision that would make the company make less money.
