Earlier quoted context omitted.
If the majority wanted quiet, couldn't they easily push the person wanting to listen to music or watch TV into their room? We have five people in our house; if someone wants to watch something solo, they're usually watching it on an iPad in their room or at the other end of the house. Open plan living plus individual bedrooms and things like den/study/second lounge, etc gives flexibility.
Did you forget the discussion was about kitchens? And many people's homes do not have all individual bedrooms and things like den/study/second lounge. The advantages and disadvantages of open plan suit your preferences. Your preferences are not universal.
Of course not. What about an open plan (usually kitchen, dining and living combined) or closed plan small house prevents likeminded individuals from working or relaxing quietly? Can you give the specific example you have in mind?