This has actually been done in several instances. It just has to be a change that is compatible with pug KAG as it stands and not have any huge glaring issues (in both code and design). Take "Rafts" for example - this kind of thing is fine in a roleplay setting, but we removed them from the standard game deliberately because they were simply not useful. If the game was much slower paced, water was significantly more debilitating, resources were more expendable, and crafting wasn't an unnecessary distraction from the fast-paced mayhem of the game, then sure, a boat "worse than the dinghy" would maybe be relevant. As it stands, adding rafts just creates content clutter, and draws serious questions about what we're encouraging players to do.