You need to understand a number of factors led to this massive reward. Firstly Jeff @dollarvigilante brought many hundreds if not thousands of his existing subscribers onto Steemit. Next this happened when steem was at a much higher price than it is today and lastly this post received over 1000 upvoted many of which were from whales.
Create more unique interesting content and grow your following with people who want to interact with you and your rewards will built.