I wonder if it sentence would have less if he stated "We made a mistake navigating, and I as Captain take full responsibility."
All that dodging, lying, deflecting, etc, did not seem do him much good.
His error in hitting the rocks is not much worse than those that caused other marine accidents.
If he acted honorably after the accident occurred, would this have even risen to a criminal offense? I guess in Italy, anything could happen.
They did do a pretty good job using still operable thrusters to get that thing on the beach.
I think most of the dead were drowned right away due to below deck flooding which happened fast at impact. I don't think many perished between then and beaching, so not many deaths due to capt being a coward after beaching.