I read that episode 15 was suppose to be the finale but for some odd reason was changed around.

I agree the episode was a slow and a disappointing finale.

The Mafia Is Not Primarily An Organisation Of Murderers.
First And Foremost,The Mafia Is Made Up Of Thieves.
It Is Driven By Greed And Controlled By Fear.

Between The Law And The Mafia, The Law Is Not The Most To Be Feared

"What if the Mafia were not an organization but a widespread Sicilian attitude of hostility towards the law?"

"Make Love Not War" John Lennon