How is it any people cannot put themselves in that place with imagining? Even animals could identify with what would not be desirable. Humans should have the sensibility to know they would not want what the animals being used are put through, we can likewise choose to not have anything to do with that, and we can already find out ourselves that there are ways to be very healthy this way without products from animals. And the same amount of use of resources for it and contribution to damage to environments with loss of species does not need to be continued then. https://healthyaging.emory.edu/could-eating-30-plants-a-week-be-the-answer-to-better-health/
Going with your number of 16 weeks and the 10 years from the OG post, that’s equivalent to 160 weeks of life for a human with an life expectancy of a 100 years. Just about 3 years. Regardless of your death or how you spent these years, few people would call that a ‘happy life’.