According to this post and all the bonus that came out in the comments, they should've been grounded before the accidents: https://news.ycombinator.com/item?id=

According to this post and all the bonus that came out in the comments, they should've been grounded before the accidents: https://news.ycombinator.com/item?id=19373216 https://news.ycombinator.com/item?id=19373216