some unimpoved pubs - which is ironic for the ones that haven't been wrecked.

There's not many left. Snugs were for a quiet private drink.It might just be for privacy, maybe a bit of business to take care of, or because the customer didn't want to be seen drinking, or didn't want to socialise. Some pubs did have ladies bars as such.

Traditional pubs are brilliant pieces of social engineering. Modernised pubs have tended to sweep away all the handy little complexities that make a pub a place to suit a wide range of people and situations, all happening alongside each other, without interfering. Where you have just the one open plan bar it means that it's all or nothing. Music, or TV, or games, or conversation, but not all coexisting happily. So people either shift on out, or they get on each others nerves. And you get awful things like "youth pubs".