What makes you think that it's not going to happen? It's already happening to such a degree that diary and meat farmer interest groups are HEAVILY lobbying the

What makes you think that it's not going to happen? It's already happening to such a degree that diary and meat farmer interest groups are HEAVILY lobbying the EU, to make it as difficult as possible for replacement products. We might as well put our efforts into cleaning up these roadblocks/corruption to a brighter future. And why can't we do both? Expect individuals to go vegan, expect governments to support the development of vegan substitutes. Have people take the bike instead of cars more often, but have a carbon tax on flights.