I've thought for a long time that aquaculture would ultimately do in Midwestern agriculture and force a similar socio-political process as what you describe when talking about Kansas and Nebraska. We could see quite the upset if aquaculture and algaculture take off at the same time.

RFK Jr would sure as hell slow it down in the short-to-medium term if he gets confirmed. Even if he isn't, mainstream media elevating crunchy granola moms could leave a long-term malaise without some kind of information breakthrough.