Why shouldn't people be able to submit themselves to ride on an experimental rocket ship that has known issues and is not expected complete its mission?
2. Companies don't get to benefit from you being a test subject as a result of you being euthanized.
3. The upside of euthanasia is getting to die. The upside of what's happening here is maybe getting to have a cool gadget for a little while until your brain implant falls out, and then who knows what kind of terrible injury you'll suffer!
That’s not a good faith statement of the upside of a neural implant.
The upside of having a neural implant is that the quality of life for a quadriplegic person is greatly improved for as long as the implant lasts, which is potentially indefinite, if the device works correctly. It’s not a “for fun” project, see the video here for a real demonstration of this man’s life being improved: https://youtu.be/5SrpYZum4Nk?feature=shared
A man who is paralyzed from the neck down being able to use a computer fluently again and do things like play his favorite video games is a huge upside.