Calling him dangerously insane because he argues for synthetic beef isn't a great starter. Producing beef is incredibly wasteful, not to mention you have to butcher an animal.
I'm a proud carnivore, yet I would gladly switch to synthetic meat when it is similar in taste and cost. There's simply no reason not to.
After what I have read on the subject so far, it seams that synthetic meat lacks a lot of the nutrients that natural meat has.
Cows and what not, eat natural food and get all the nutrients in that food, synthetic food is just cells grown in a dish (or similar) with only the basics for cell survival.
I wish it would be as good as real meat, it would help stop the maltreatment of animals that takes place in many countries.
Until then I will just have to try to chose meat from good farms.
Sure, you may be able to replace most of the vitamins, minerals, proteins and fatty acids of real meat with vegetables or synthetics, but you'll never be able to replace the spiritual benefit of eating real meat... the life force of the animal itself.
I don't say grace. I thank the animal itself.
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BTW I'm an animal lover. I love to eat them, wear them, play fetch with them, and let them sit in my lap.