Why both urban and rural regions should be self-governing: "As long as people with strong preferences are clustered conveniently into different jurisdictions, decentralization can, at least in theory, increase the number of people who are satisfied with government policy."
Whether diversity is a social benefit depends on whether it creates excuses to fight each other for special treatment. Politicizing our differences is far more likely to make diversity a source of conflict.
Why should we think that government officials are better at acting “rationally” than those they regulate? Even if we were to concede that smoking deserves to be restricted, why should we think the government can do it in a reasonable way?