Thats what makes this skill system seem lackluster, you could remove it, and except for the skills for better crafting and harvesting, you would not really feel the difference. And a good game mechanic should not be able to be removed without feeling a difference. There are many interesting ways they could have gone with this system, passive skills you trained where you only could slot a few in your vessel at the time, skills you trained for the campaign only or skills that made you customize your archetype, weather it be improvements or trade offs. This skills system is there to give a feelin