I like a lot of what you're saying, and do hope the pendulum is swinging toward quality, but in addition to not being sure that's true, I haven't the faintest idea of what you mean by "50% curation would be communism"
But more to the point, not sure 50% is a fix, since it also wouldn't stop large accounts from upvoting themselves. They'd still get all the rewards, their author rewards, and curation rewards from discovering their own content. And if someone jumped on their content to get more of their rewards, well, they'd get those author rewards, and still part of the curation, too.
Someone correct my math if you think it's wrong.
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