Depends what is meant by responsible for his actions , did he crash the plane , yes, was he responsible for the deaths of those people, yes
If he had a mental illness was he responsible for not thinking in a logical way' no
It can be assumed those who think everyone with any form of mental illness is capable of logical thinking has never suffer from any mental illness and has no family member with or suffered from any mental illness
Did you think you were poor growing up?
Why on earth would anyone plant.....
Only 50% of middle age adult manage more than 1 brisk 10 min walk a month.

You have heard from me.