Getting PT-109 split in half worked out OK for a Kennedy.
Grounding an Oldsmobile didn’t seem to have any long term effects on another.
His old man probably bought the Navy 10 new PT boats.
Nimitz grounded the destroyer Decatur on a sandbar in the Philippines in 1908. He was court-martialed and received a letter of reprimand. It was early enough in his career that he was able to overcome the setback through tireless effort in a lot of seemingly unglamorous assignments for the time: work on subs and oilers for almost 20 years.
I don’t know if anyone in today’s Navy could repeat Nimitz’s feat.