It sounds like things are going well for this guy and that is great and all, but how much would we honestly expect to hear if it wasn't going well?
Given how eager people are to pounce on negative news about anything Elon Musk-related, I expect we would be hearing way, way more about this if it wasn't going well. "Elon Musk's Neuralink Damages a Man's Brain!" and "Elon Musk's Neuralink Fails!" Headlines and such from every rooftop.
Pogogunner