EU/US: ‘Gigantic’ power of meat industry blocking green alternatives, study finds
(www.theguardian.com)
I think you need to make it cheaper than cow milk and taste pretty much the same, with a similar nutrient profile. There will still be holdouts but I think the cost thing will be the tipping point. Up until it's the cheapest option, it's still a premium product for a niche market. Once that tipping point is reached, I'd hate to be a dairy farmer.