Earlier quoted context omitted.
You need to use two brick width for stability.
Is that what we're doing? If I remember correctly, the walls around the houses in my childhood neighborhood were only one brick in width. Also walls around cemeteries and such, I could swear they are not double-width walls.
Veneer, all the bricks are in the same orientation: https://i.pinimg.com/originals/1b/65/ec/1b65ec6fdb488d3dab28...
Supporting wall, notice the alternating pattern: https://www.backwoodshome.com/bhm/wp-content/uploads/2015/12...