For example: The iron hills movie dwarves.
Yes, we all want to see them in the mod.
But, constantly trying to make comprimises when they've already said their answer will only lead to them leaving the edain team, and leaving edain mod as a demo.
Even simple cosmetic changes take time for them.'
Time that they can spend on other unreleased factions.
You can expect suggestions that involve game balance to happen (Such as, making gondor soldiers having 350 health, or rohhirrim doing more damage)
But, you can't expect cosmetic changes to happen (As skinning models takes alot more time than coding)