This passage from a book by a well known business man is interesting
"You can't con people, at least not for long. You can create excitement, you can do wonderful promotion and get all kinds of press, and you can throw in a little hyperbole. But if you don't deliver the goods, people will eventually catch on ...
I'd never understood how Jimmy Carter became president. The answer is that as poorly qualified as he was for the job, Jimmy Carter had the nerve, the guts, the balls, to ask for something extraordinary. That ability above all helped him get elected president.
But, then, of course, the American people caught on pretty quickly that Carter couldn't do the job, and he lost in a landslide when he ran for reelection.