I am a follower of attorney Andrew Branca. Perhaps you will find this interesting.
This being an international forum it should be noted that laws and processes about this type of event obviously vary by country and in the US, by state.
Here in the US it's not a crime to be stupid (yet ) so I'm just waiting to see if anyone is actually charged with any crime.
I am not a lwayer but he is:
Legal Analysis: Alec Baldwin Situation Beginning to Look a Lot Like Manslaughter
EDIT: forgot to add that even if it's decided that Baldwin technically committed a crime, prosecutors here in the US have discretion as to whether to charge the person or enter into deals where the person charged pleads guilty to lesser charges.
Stupidity all on its own, no. When it rises to the level of culpable negligence, it is. Certainly not treated as seriously as recklessness and malice, but people do go to prison for it with some regularity.