Because they are all one-in-the-same person! That is what this entire scam is about. He flags everyone else for rewards pool rape when he actually profits from it! Oh, the irony when criminals are involved.
https://steemit.com/steemit/@xochicotta/berniesanders-nextgencrypto-engagement-etc-aka-justin-bay-salmeron-all-info-is-public#@retiredinsamar/re-xochicotta-berniesanders-nextgencrypto-engagement-etc-aka-justin-bay-salmeron-all-info-is-public-20180708t210854732z

Introducing the infamous berniesanders or nextgencrypto or... all of the above.