It seems that the reason is no different than when we smoked; the power of corporate induced addiction was very hard to beat.
Our addiction to animal products has been established from a life-time of ingestion; parentaly initiated, farmer encouraged and corporately persuaded with much of the medical fraternity in the same mendacious loop.
When I speak of the life prolonging features of a vegan diet, I am either scoffed at or ignored; seldom do I hear any reasonable argument for a carnist diet.
I must regretfully accept, as I watch people eating themselves to an early death, that the marketing efforts of those who benefit from selling animal products, or fixing those that eat them, are working exceptionally well.
But I will continue to speak; I feel so good!