>>46846902And? It makes a difference if something is intentionally designed to go for a certain aesthetic or not. Arcanine has steely traits and isn't Steel. Lucario does too and is. That neither means Arcanine needs to be Steel, nor that Lucario doesn't have enough reason to be Steel.
No one's saying that having steely personality qualities means something MUST be Steel Type. I am saying that that is the reason Lucario is one. You may think this is illogical, but that's because you're an idiot.