Under the current system of linear reward it's easier to game the system than play fair. Dan also pointed this out in one of his post. I also pointed this out in many comments now and explained the rational and I was never proven wrong.
I explain the issue here in part.
https://steemit.com/steemit/@steemitblog/steemit-winter-update-2017-reflection-our-vision-statement-and-mission-and-a-look-forward#@teamsteem/re-steemitblog-steemit-winter-update-2017-reflection-our-vision-statement-and-mission-and-a-look-forward-20180221t053905349z
Witness felixxx gave some more thought on the subject here
https://steemit.com/meme/@felixxx/curation-genius-meme
and here
https://steemit.com/meme/@felixxx/tough-choices-for-steem-investors-meme
I'm not going to go into the detail of this here but I will in a future post.
Dan explain some of his points here thought they might not be obvious for people to understand.
I commented on the post and the above comment by Dan is under this post too.