And if you point out that there may be a trade-off, the stage 10 Abstract thinker will think that you are being vague and just playing with words. Thinkers of each stage have this kind of complexity bias. Complexity bias means that we intuitively prefer forms of reasoning that correspond to our own stage of complexity. Explanations of lower complexity seem crude and simplistic to us, whereas higher stage explanations seem vague or counter-intuitive.