It is incredibly complex. It's an aspect of our ostensibly-capitalist, occasionally-socialist economy. You don't move away from that overnight, for sure.
I try to limit my beef to once a week. It ain't hard. It encourages you to eat better beef. Better beef costs more and is more profitable. Everybody wins. Talk America into eating less, better beef and we all end up happy.
Theoretically the dairy industry earned $104b in revenue in 2014. If we are to believe the Canucks, the taxpayer underwrote $70b of that. The "Got Milk?" campaign cost $23m a year... imagine what even a billion a year in outreach to oh, I dunno, every other less impactful agricultural product in the US might do?