The suggested changes are good but I wouldnt spend any more development time than necessary. Game needs content.
Also harvesting/crafting tools should be existing again to help gold sink a bit. They shouldn't be craftable/droppabe and the only way to get them should be by bying from vendors (and they should be pretty expensive). That could stop those afk harvesting alts a bit.
"The main issue with alts is that, economy wise, they allow to bypass the intended split of resources per player per time unit." "Another issue with alts is that they can be used to avoid consequences."
Would you rather have us implement reasons to fight and sink resources, or address alts?