Earlier quoted context omitted.
This is spot on. (I'm a long time vegetarian, so I've thought a lot about this.) Hunting, fishing, and even specialty slaughterhouses will likely continue. The economics will cause mass meat production to go out of business, though. Beef first, probably. Engineering can evolve much faster than cows and chickens and fish can. No politician, at least in the U.S. mainstream, is going to commit political self-destruction…
The ironic counter-ads will be viscious: "Be a real man! Risk getting sick from one of our real burgers! Each one is made from the hormone-pumped flesh of a real baby cow that never knew its real mom!"
And to some extent, they have a point. But of course they don't invite you to eat natural whole plant foods instead of meat.