Kirk may have made Captain at a pretty young age in TOS, but he still had to rise through the ranks!
Sorry, but I don't give a fetid dingo's kidney how heroic this kid is, THERE IS NOW WAY IN HELL THAT ANY MILITARY ORGANIZATION WITH HALF A BRAIN CELL TO SHARE AMONG ITS COMMAND STAFF IS GOING TO GIVE COMMAND OF A MAJOR FRONTLINE SHIP TO SOMEONE WHO IS, LITERALLY, DAYS OUT OF THE ACADEMY!!
Forget the canon violations, it's the credibility
violations that are gonna sink this one.