the.com/smokescreen

A fake emergency built to hide the real one from you.

means A deliberate distraction or cover story created to hide someone's real actions or intentions.

from Literal before it was figurative: militaries and navies generated actual walls of smoke to hide troop movements or ships from enemy eyes, a tactic especially prominent in early 20th-century warfare. By the 1920s the phrase had drifted into everyday language for any tactic, excuse, or noisy diversion meant to obscure what's really going on — the smoke is gone, but the hiding remains.

origin
literal military tactic, smoke hiding troop movements
psychology
works best when the fake issue sounds plausible
tell
often louder and angrier than the real issue
modern use
corporate scandals love a well-timed controversy
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