the.com/bystander

Someone who upgrades a crisis into a spectacle by just watching it.

means A person who is present at an event but doesn't take part in it — especially someone who watches something happen without stepping in to help or act.

from Built in English from 'by' (near, at the side of) plus 'stand' — so literally someone who stands by. It emerged in the 1600s as a plain compound describing physical position, and only later picked up its moral weight, as 'standing by' came to suggest watching rather than acting.

the effect
more witnesses present, less likely anyone helps
the research
named after the 1964 Kitty Genovese case
the irony
everyone assumes someone else already called for help
the fix
pointing at one person breaks the spell instantly
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