Considering the unintended and unforseen side effects of health that our current interfaces have had on our bodies and minds, I'm way more freaked out by the possibilities of what could go wrong sticking a direct I/O device into my head
Now I realize 1. I don't want buggy hardware in my head 2. I don't want to go to the surgeon ("wetdoc" or whatever the Cyberpunk RPG called it) every time a new model comes out