Steem cannot attract relevant authors, brands, companies because they risk being attacked by some random whale in a bad mood.

Then don’t be a bad whale? Why are you making other people be accountable for your actions?

Imagine Twitter or Facebook with downvotes

But they do have ban. Just like how a parody account on Twitter got banned for making fun of @rogerkver. The charge? Impersonation. How bloody ridiculous was that?