When I was a sociology teacher, the question that always got posed around tech issues was whether technologies can ever be inherently bad. It's the wrong question. The real question is how the unequal distributions of power in each society where the tech might be used can be made worse by the intro of the tech.
"Efforts to protect neurological data have proliferated in recent years, as electronic devices available directly to consumers become capable of capturing medical-grade brain data similar to what neurologists would use to diagnose patients.
Experts at the Neurorights Foundation and other groups say sensitive data could be used to decode users' mental states without their permission.
Earlier in the year, the Neurorights Foundation released a report analyzing the privacy policies of 30 consumer neurotech devices and found major privacy gaps. Half allowed companies to broadly share a user's brain data with third parties."
https://www.japantimes.co.jp/news/2024/10/11/world/data-privacy-brain/