Yes, I agree that there is little incentive for player to improve. There is some, but not enough to entice most players.

I do not see why you are choosing to backtrack now. "Players having little reason to improve" is a reason why "players are not improving fast enough"

If you want to continue that line we can, but we have done all we can as players by posting those concerns and discussing possible solutions.
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I will continue my line. I will be more direct. Is it wrong for me to offer advice about frontlines?