You right said that selfish is also problems, not only bots. In my opinion we can't destroy and removed bots because demand creates supply. And even the whales, I think, are so used to getting their passive income that not everyone will agree to the elimination of bots. Yes, and their owners, too, will look for any way to also not be left with nothing.
However, restricting the use of bots can make Steem ecosystem more healthy , I think.

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