I would agree with you if the divers did not have ample time to avoid the entire issue by
A swimming to the bridge support
b. Dropping to the bottom
A sailboat once he starts that channel he is committed He can not turn around and backing up is worse because most sailboats have vary little directional control in reverse.
All of this has been talked about in the first 2 pages of the thread so we aren't gaining anything.
Personally education is better than a hammer of a criminal prosecution in a situation where it does not appear to have been done with malice or intent to harm.
Actually, it seems to have been done with a flagrant disregard for the safety of the divers....more likely this captain thought that HE was so important, that he should not have to wait for divers to get out of the way...and so he did not bother with trying to get them out of the channel before running through it....A boat headed into the under-bridge crossing, CAN see if the way is clear of divers prior to committing themselves...this captain could easily have reversed on seeing the divers--which he would have, but chose to ignore their rights not to be driven over.
This captain was so sure that he was so much more important than the divers and their lives, that he even decided to fight this in court---he appeared to be certain that his importance so overwhelmed the divers, that he assumed the court would just ignore the transgression and consider it a non-issue. He was wrong. This is NOT about all boaters and threat to boaters rights....I think this is about a man who was and is so self indulgent, that he might at any time run over a pedestrian or cyclist in his way if driving a car--just because they should know better than to be in his way...
Very few boaters should feel anything in common with this guy. In other words, this case will only be felt by a very small number of sociopathic boaters.