It is not streamlined! It is not faster or easier!
Example of an attack in SR4:
Storyteller: "You get +2 on the attack" -> 3 Rolls. Finish.
Example of an attack in SR6:
Storyteller: "What is the score of your weapon?" Player: "It is 6." Storyteller: I have an armor of 5, so you get 1 edge."...