I feel like your second point answers your first. The difference between information sharing in the past and today is obviously the problem of scale. Looking up

I feel like your second point answers your first. The difference between information sharing in the past and today is obviously the problem of scale. Looking up your neighborhood used to be useful and small chance of people bike locking you. Now, the scale has increased a thousand fold. What was .01% of a crazy hunting you down maybe is 1%? 10%? Maybe a right to anonymity with the efficiency losses you get there is worth it? Tough issue.