The masses were enthralled by the abdication of Edward VIII and his subsequent marriage to Wallis Simpson. That's all they wanted to hear about, rather than some Nazi politician. The media of the day gave them what they wanted.
Considering the bread and circuses that the occupy the attention of today's masses, it seems human nature doesn't change much.
Lots in that book on the idiot Chamberlain.
They practically ran Churchill out of Parliament for daring to suggest that Hitler was a bad guy.