Sociologist: Widespread acceptance of the idea that individuals are incapable of looking after their own welfare is injurious to a democracy.
Evidence
The assumptions that appear to guide AGL → WA legislators will often become widely accepted.
Widespread acceptance of the idea WA → ID that individuals are incapable of looking after their own welfare is injurious to a democracy.
Conclusion
So legislators who value democracy ~ID → ~PBNH should not propose any law prohibiting behavior that is not harmful to anyone besides the person engaging in it.
Evaluate
The argument assumes that a legislator PBNH → AGL who proposes prohibiting behavior that is not harmful to anyone besides the person engaging in it will seem to be guided by the assumption that individuals are incapable of looking after their own welfare.