It happens just like it happens in any other office environment. Obviously, if you're the kind of person who studiously avoids talking to people at work, cowork

It happens just like it happens in any other office environment. Obviously, if you're the kind of person who studiously avoids talking to people at work, coworking is not going to somehow increase your socialization through other means. Generally the people who choose coworking are of the belief that they can spend some time talking to people and still get shit done (in fact if you do place value on socialization then you realize it constitutes "getting shit done" on some level).