We have an enormous 20 Mbit input bus refined over hundreds of millions of years - the optic nerve.

We have a versatile (if narrow and low-bandwidth) output bus refined over millions of years - human hands.

Whatever Neuralink manage to kludge together, it will suck compared to the eyes and hands.

Good for people without eyes and hands, as long as the electrodes last without killing the cells they're embedded with.