Ideally all people should make whatever the crowd thinks the content is worth, regardless of factors like author name, rewards, popularity, reputation, investment or any other irrelevant factors people could potentially base their actions on.
Certainly nobody should be treated differently because they invested heavily in STEEM. People invest in STEEM for selfish reasons (to potentially make a profit or to gain more power on the network), so there's no reason to reward them more than the revolutionary platform is already offering.