Many shareholders care about stability, There is the whole distinction between "growth" stocks and "income" stocks. Some investors prefer low-growth companies that pay big dividends, other investors prefer just the opposite.
Some investors care about environmental issues, or social issues, or religious issues. e.g. the Norwegian sovereign wealth fund divests from companies that don't meet its ethical objectives, and is often a significant investor.
Simple. "It's in our shareholders' best interest to have a stable society with upwards mobility so more people can buy our products over time."
Or, "It's in our shareholders' best interest for us not to act so amorally as to turn public opinion against us, incurring new onerous regulations as a result."