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It was previously a flat curation curve from where went to non-flat curve. Simple change would be increasing the window and testing out how it works, than discussing a big change like change the whole curve. Let's give non-linear curve some variability and see may be it will perform well.

You can't make everyone happy at same time. :)

There are some things that are very much predictable, but it depends on how you look at it. There are plenty of attempts at different things over the last almost 5 years to learn from.