>>535764770
Swap their positions in the tree.
Executioner Stance's weakness is being forced to swap and lack of toughness gain, Weapon Specialist nodes help mitigate this. It would focus the right side on high offense. With the minor bonus of putting smoke grenade and Executioner in the same path.
Left side with Marksman Focus and the like, is more focused on sniping, even two nodes that benefit from avoiding melee, which synergizes quite well with Infiltrate.