⚡️The deeper signal is youth risk did not disappear.
It migrated inward.
Teen drinking fell because the old physical world of adolescence got dismantled. Alcohol belonged to a social ecosystem: unsupervised time, cars, parties, local jobs, malls, basements, boredom, flirting,
A tweet-thread argument that teen drinking did not simply decline because teens became healthier or more cautious; youth risk-taking moved inward as the offline adolescent world of cars, parties, malls, unsupervised time, and local hangouts eroded. The useful frame is displacement: less visible substance use can coexist with more private, digital, or psychological risk.