He had served as an enlisted man before being admitted to USMA. That doesn’t explain how he got there in the first place but it may explain his quick promotion.
Let’s hope this Rapone clown isn’t following in the footsteps of Lee Harvey Oswald who harangued his fellow Marines with his communist beliefs when he was in the Corps.
Time in Service is not the same as Time in Grade.
I was in a similar situation myself, and still had to get a wavier for my last promotion due to not having the required Time In Grade.
And he was thrown out of Ranger School as an EM because he was insubordinate to the Command Sergeant Major of the Ranger School. The next question is how does someone with that on their record get into West Point in the first place?