Are these tweaks going unsponsored?
(Also: https://forums.civfanatics.com/threads/2-11a-counterproposal-reduce-mine-yields.680320/ ; https://forums.civfanatics.com/threads/2-11b-counterproposal-reduce-mine-yields.680407/)
(Also: https://forums.civfanatics.com/threads/2-11a-counterproposal-reduce-mine-yields.680320/ ; https://forums.civfanatics.com/threads/2-11b-counterproposal-reduce-mine-yields.680407/)