I'm a bit dubious about that article, because it spends a lot of time spinning the prevalence of kosher and halal food into an elaborate analogy and presuming future resistance to its existence without even considering "it's something that most people just don't care about either way" as an explanation.
I wonder if this is relevant to the discussion:
https://medium.com/incerto/the-most-intolerant-wins-the-dict...