My take is the opposite. It’s a nightmare of noise, where everyone is forced to be louder than everyone else. Anyone trying to read or do homework is forced to flee to the edges of the house to find an escape.
This is not intended to be like open plan office seating, where nobody can escape. This should be combined with appropriate quiet places too.
Open plan living plus individual bedrooms and things like den/study/second lounge, etc gives flexibility.