As someone who suffers daily from a traumatic brain injury 5 years ago that's caused me to become physically disabled and cognitively declined, I'm super excited about this.
But what about the invisible spyware/adware(/mind control???) they'll be putting in without anyone knowing by using threads and components embedded inside the chip?
Brain computer interfaces are an exciting field for helping people with health issues that we currently cannot help with. Nueralink aren't the only business working on them though so if, as seems very likely, they are overhyped and ineffective as a way to chase a good market value for another of Elon Musk's ventures, there will still be other organisations that do better work.
Here's an example that popped up in a feed for me just now. An article from a reputable British newspaper about an American organisation (that isn't mismanaged by a self-aggrandizing, lunatic, grifter) successfully implanting chips into a the brain of a man who was paralyzed from the chest down to restore movement and sensation to his limbs.