That's a big reason why private businesses are better than public ones. There's no need to push for unsustainable growth at the behest of busybody investors.
Or...they are unwilling to allow the company to eat losses to pretend to invest in the long term, but are in reality on their way to failure (for example). Let's not act like companies, in general, have this figured out and know what's best. Lots of them fail.
If you want long term growth, you're free to invest that way. But don't impose your preferences on others, or assume their method is wrong. The only way speculators, or anyone, can buy shares is by someone else deciding to sell, uncoerced.