The last time an electrician came to our house to fix something, they used one or two tools at a time, rather than everything in their pouch. The point is, you aren't supposed, or expected, to use every single ability you have with every encounter. You have your core rotation, some buffs, some debuffs, some niche utilities, and the rest are mostly circumstantial. While it's true that in some instances, you can pull off a fight using only a small subset of your abilities, but you're exaggerating things by a landslide. I could be wrong, but I get the feeling you've fixed on this idea and just want to complain. I suppose that's fair. We all need to vent every once in a while. Just relax and try to wrap your head around the concept of a toolbox containing things for many applications, despite not needing all of them with every job. Breath, then let it go and enjoy the game. If you cannot do that, there are other games you can try. It's like complaining about McDonalds chicken sandwiches when you can just go to another chain and get one you do like.