If a stereotype already exists, it is more easy to keep believing in the existing one (confirmation bias) than to invent a new one.
Except as you've just pointed out:
Some stereotypes don't remain stable across generations.
Identifying a mechanism pushing towards outcome X is not inconsistent with observing that sometimes the outcome not-X happens.
This is the monthly thread for posting media of various types that you've found that you enjoy. Post what you're reading, listening to, watching, and your opinion of it. Post recommendations to blogs. Post whatever media you feel like discussing! To see previous recommendations, check out the older threads.
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