Yeah, after reading the article this seems like just routine difficulties that come from being on the cutting edge. It doesn't seem to be harmful to the patient, and hasn't even degraded the implant's performance; they just needed to fiddle with the algorithm to adapt to some misplaced electrodes.
But it's got the big blaring "Elon Musk!" Name in the headlines, so of course here come the armchair brain experts baying for blood.