the.com/oversupply

When everyone rushes to make more of the thing nobody needed quite that much of.

means A situation where the amount of something produced or available exceeds what's actually needed or wanted.

from Straightforward carpentry: 'over-' (too much, beyond) bolted onto 'supply,' which traces back through French 'souplier' to Latin 'supplere' — to fill up, complete, make whole. So supply was originally about filling a gap, a need. Oversupply is that same word tipped past its purpose — the filling that kept going after the vessel was already full.

price effect
Pushes prices down until someone quits
classic case
2014 to 2016 oil glut tanked crude prices
root cause
Everyone bets on the same boom simultaneously
cure
Bankruptcies, not willpower, usually fix it
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