Local involvement is literally what Strong Towns does, and I've promoted them constantly, since before NJB was even a thing.
Strong Towns have told me that the majority of their members have come from my channel.
What I've seen lately is "you're a big YouTuber so you have a moral responsibility to fix America", which is insane, when I'm a Canadian living in the Netherlands, but then, American Exceptionalism is a hell of a drug.