it’s not incentivised to care about collective sustainability.

Not only collective. Most companies don’t even care about their own sustainability.
CEOs working there for some years try to inflate short term ‘shareholder value’ to maximize their bonuses.
The shareholders no longer see themselves as owners who collect dividends but as investors who can just sell their stocks if the price increases.
What happens to the company 5 or 10 years down the road doesn’t matter.