The basic argument is interesting but has important preconditions: the majority needs to be tolerant (the change doesn't cost them much). In the case of kosher drinks, it's almost completely invisible.
When people actually have a preference (such as how a drink tastes) we find that the market provides a lot of variety despite the cost. Consider the shelves of your average convenience store.
Applied to religion, changes are far from costless and we often see persistent disputes. And anyone making large-scale predictions needs to account for how incredibly successful and persistent western culture and products are. This doesn't seem to be due to intolerance.
You can order anything you want online these days. We're in golden age for microbrews. I see a dozen varieties of hipster ginger beverages in the Whole Foods refrigerator.
When people actually have a preference (such as how a drink tastes) we find that the market provides a lot of variety despite the cost. Consider the shelves of your average convenience store.
Applied to religion, changes are far from costless and we often see persistent disputes. And anyone making large-scale predictions needs to account for how incredibly successful and persistent western culture and products are. This doesn't seem to be due to intolerance.