The actual hard work, in fact, as good an orator as he is, the hard work of changing people's minds and in fact lighting a fire under those whose minds don't need to be changed, but they need to get off their butts and do something about it.
What are some terms that often get used in discussing the Fourth of July? Do most people you know actually make time to purposely celebrate our independence in meaningful ways? So in terms of its impact, I think the biggest impact I would say is probably within his own circles and within his own brand.
There's a lot of rhetoric about that, especially in resistance to the fugitive slave law.