You miss the big picture.  Whales could care less about getting $100 on a blog.  That is like you going to bank to deposit a nickel.  I think they post to form a central consensus for Steem.

See more at:
[top-5-reasons-why-whales-posting-content-is-good-for-steem](https://steemit.com/steem/@magnebit/top-5-reasons-why-whales-posting-content-is-good-for-steem)