Each individual design will be a niche, but all of them together will be somewhere in the low double digit percentage market share. Look at food: the majority

Each individual design will be a niche, but all of them together will be somewhere in the low double digit percentage market share. Look at food: the majority is mass produced: McDonald's, frozen pizzas, etc. But there is a big long tail of one off experiences: home cooked meals, local restaurants, etc.