The vision of a farm-free food system has definitely gained some significant airtime recently, particularly with the backing of George Monbiot in the UK. There have been some good responses to Monbiot (and by extension, his farm-free vision of food) in recent days, with which we broadly agree. Here are some highlights, in lieu of a more detailed response from us here at LF:
https://www.organicconsumers.org/blog/save-planet-destroying-farming
https://permacultureforthepeople.org/2020/01/10/small-scale-farmers-can-help-save-the-planet-not-lab-foods/
https://smallfarmfuture.org.uk/2020/01/of-chancers-and-last-chancers/
https://neweconomics.org/2020/01/lab-grown-food-we-need-a-just-transition-not-a-tech-led-disruption