Aaaaand you've actually answered your own question. Why would people not give an actual opinion to a stranger when there's this default opinion of them as (a) h

Aaaaand you've actually answered your own question. Why would people not give an actual opinion to a stranger when there's this default opinion of them as (a) having wrongthink they should be ashamed of, or (b) too stupid to realize their wrongthing is in fact wrong? Guess we'll never know why those dummies would possibly hide their true preferences.