Because the game is still under development. They are against hacks and cheats, rightfully so. If they were against Modding altogether, it would not even be under consideration. It is aspirational, so no promise the will add Steam Workshop. Provide evidence to support your case and examples. If you object please respond in full sentences. Even simple item packs could be called hacks. And that you are against cheats and hacks. Because every long-term player can prove that sandbox can get a bit repetitive.
It could give players something to mess around with while you create story mode.
In fact, this could help you prolonge the time needed to release the first episode of story mode. Like adding items, locations, NPCs and more. making it esier to mess with the enviorment. In fact it could actually make the game significantly more enjoyable. You can't say you can let somthing happen while barrating it with arrows and spears. When you declared that you were openly aganst modding you burned another person's painting. There used to be two the other one was Umod. Currently there is only one mod availible. The Long Dark started out as a kickstarted, a small project.
You have openly stated that you are completely against modding in your game. Hinterland I have come to talk to you about modding and how you judge them.