How to CORRECTLY use AMBIENT OCCLUSION [Blender Tutorial]

I’m here to settle the score on how to use ambient occlusion in Blender CORRECTLY. None are without sin. Blender Manual - “Shader To RGB“: Blender Stack Exchange post: ASSETS USED: Rustic Brick 2: Coastal Cliff 2: Tufted Leather: Hammered Copper: Wood Trim: Old Metal (legacy): Timbered Brick Wall: SciFi Panels 09: HDRI Japan Kabuchiko Night: HDRI Faroer Bay A: Earth model by Denis Cliofas: