My hot take on grey knights

Ok this is my personal opinion and I am wrong because the only way to be wright is to say nothing. But in my personal opinion, grey knights are way better when they are described as the best to deal with chaos, not because they are the only ones capable of it, but because they are the only ones that are dedicated to that. I prefer when they are described as the best because they are only doing that rather than just because no one else can do it. I feel like I have the same opinion for the night lords. They aren't the best at terror tactics because they are the only ones able to do it, but because they are the ones who does it more than anything... What do you think of this?