TL;DR: Trophy lodges just need a complete overhaul.
We really should be able to customize our trophy lodges. Specifically, let us move and change the trophy and weapon displays. I like to organize my trophies in a few different ways depending on which category i'm dealing with, but i'm getting to the point where i have enough trophies that it's just not possible given the current layout of the lodges and mounts. For instance, I want all my diamonds to be in one place, but i have run out of trophy displays of certain sizes in specific rooms, while still having blanks of another size around it. I would love to have one wall that's just all the birds, one room that's only for the class 9s, etc. This is especially annoying because there's more than enough wall space to do what i want to do, but it's just empty and wasted!
I have the same but opposite complaint with the weapon hangers; there's just too many, far more than weapons in the game, and I really dislike have the same weapon on multiple displays. Not including the cosmetic variants, there are 62 weapons, but 148 displays (not to mention that quite a lot of those are pistol displays but there's only like 10 pistols in the game). That means that I either have to fill up those displays with duplicates or guns i just never use and don't care about, or have tons of large empty bright red displays everywhere, which i also hate. I also quite dislike the location of a lot of those weapon displays, and would love to reorganize them to suit my preferences. (Also, the Safari lodge being the only one with weapon displays kinda sucks)
(continued in first comment due to character limit)