Why does it feel so bad losing to a fed adc

When a solo laner or a jungler dominates an early game and goes on to carry, i always just feel they played pretty well and went on to win. But for some reason when bot goes 0/6 and they have a fed vayne running around it feels so much worse. Its like i just expect more because theres 2 people down there? I dont know really. But for some reason id rather lose to any other role then some 20 kill lucian lol.
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