HN readers have had many opportunities to voice their thoughts.
This was discussion about this 9 months ago, when there were 15 different links to the article "Why Self-Driving Cars Must Be Programmed to Kill" - https://hn.algolia.com/?query=Why%20Self-Driving%20Cars%20Mu... , with about 30 comments across all postings.
A bit over a year ago there were 70 HN comments at https://news.ycombinator.com/item?id=9725288 to the story "Will your self-driving car be programmed to kill you?"
8 months ago there were 71 HN comments at https://news.ycombinator.com/item?id=10709264 to the story "Will your driverless car kill you so others may live?"
There's almost certainly more that I've forgotten.