Press Enter. The page will reload looking like a primitive, text-heavy version of Facebook from the mid-2000s.
: Displays a blue shield icon. It prevents users from downloading, sharing, or taking screenshots (on most mobile devices) of the picture.
Ignoring a user's privacy settings is not just technically difficult; it has serious legal and ethical consequences.
Press Command + Shift + 4 and drag the crosshairs over the photo.