I think this can be the reason but by the way we can see the bear market in all alts. I think for the future the most dangerous thing for steem is bid bots because they challenge the philosophy of a fair ( i mean a dicentralized ) platform everyone can receive what he or she deserves.
If you 're a good writer , the majority have to determine the value of your job , not greedy robots . We must not forget that there is competition in this arena and it is likely that steem will have serious competitors in the future .