This is exactly the kind of behaviour we don't want. Many investors rather not create content, they would rather use their SP to help Steem grow, which will eventually increase the price.
There are different mechanisms for all groups to earn, investors can earn from curation, interest, and delegation. Content creators (who have invested very little) should be able to earn by creating popular content. I would not want to see an investor earn more for a crappy post than a dedicated content creator with a great post.