At least in 2017 there was the incentive to create good content. Sure not all good content was being discovered but at least some was. Now there is no incentive. So yes in 2017 at least some content discovery and incentive existed even if flawed.
Now it's just bots and basically pay for popularity. This is also called pay to win.
And yes the current rules differ from 2017, but anything is better than to do nothing with the current proven broken economics.