Because Barry's been training his men for the past few episodes, they're now capable of escaping the bus on their own, all while Hank monologues to himself about how he's not cut out for this life.

Source: https://www.slashfilm.com/1259141/will-noho-hank-die-barry-season-4/

He wants a quieter life than he gets with the kind of people he hangs around with, and he is just not cut out for a life of crime like Julian and Ricky.

Source: https://screenrant.com/trailer-park-boys-hilarious-bubble-quotes/