Ridley Scott has no longer been Ridley Scott for a very long time… well, it’s a question of taste. There is a name for his propensity to use milk to liberally smear women’s faces … one which we are not allowed to mention here. Then, from a cinematic viewpoint… we wish the milky artifice brought something else to mind, but the excellent photogenic qualities of cyborg blood don’t explain everything, far from it…
https://mashable.com/article/ridley-scott-milk-fetish-raised-by-wolves-alien/?europe=true