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Every post is marketing.

Not all are effective

One thing that posts resulting in folks coming to Hive to read them feature is payout, and prior to that, potential payout. Since it's not a feature on most articles folks investigating a topic find on articles, it's likely to be noted with interest.

In cases where a well researched and written post is affected by significant downvoting, that is tantamount to a flag on Hive itself, potentially eliminating the marketing power of such posts altogether.

When such things happen, we're shooting ourselves in the foot.

It's all a matter of degree.