Quantum computers are like that until you get to 1%-0.1% error rates, at which point error correction becomes possible [1]. 1: https://en.wikipedia.org/wiki/Qu

Quantum computers are like that until you get to 1%-0.1% error rates, at which point error correction becomes possible [1]. 1: https://en.wikipedia.org/wiki/Quantum_threshold_theorem https://en.wikipedia.org/wiki/Quantum_threshold_theorem