The two reasons I never want an ice-dispenser, is that one, it's rediculously expensive. I would never pay hundreds of euro's for a standalone machine that makes ice: for that price I'll gladly keep fiddling with trays in the freezer or just drink my drinks without ice. Why pay that markup when it's embedded?
And second, it's the single point of failure of the entire fridge. Everything else, from the rubbers to the pump will last longer and be easily repairable. I'm convinced it's mainly there because producers of fridges know it obsoletes the entire fridge faster. That without these fragile "addons" the machine might just last for years or decades. During which this family does not buy a new one.