Earlier quoted context omitted.
Continuing to improve artificial meat (e.g. Impossible Burgers) to get to the point where it's better than the real thing. You don't change people's minds by taking things away from them. You give them a better substitute.
Artificial food will always lack the bio-availabilities of real food our bodies evolved to process. For example, vitamin C artificially synthesized from glucose is more difficult to assimilate by the guts than "natural" vitamin C, especially when consumed with carbs.
Vitamin C also breaks down fairly easily when cooked (necessary or common with a lot of foods).
Iron is a bigger issue where non-absorption of non-organic sources can cause some GI upset.